364 files changed, 148 insertions, 508 deletions
diff --git a/.github/ci/build-stable.sh b/.github/ci/build-nightly.sh
index e0bd77867..95cb4100c 100755
--- a/.github/ci/build-stable.sh
+++ b/.github/ci/build-nightly.sh
@@ -7,6 +7,7 @@ set -euo pipefail
 export RUSTUP_HOME=/ci/cache/rustup
 export CARGO_HOME=/ci/cache/cargo
 export CARGO_TARGET_DIR=/ci/cache/target
+mv rust-toolchain-nightly.toml rust-toolchain.toml
 # needed for "dumb HTTP" transport support
 # used when pointing stm32-metapac to a CI-built one.
@@ -21,9 +22,7 @@ fi
 hashtime restore /ci/cache/filetime.json || true
 hashtime save /ci/cache/filetime.json
-sed -i 's/channel.*/channel = "beta"/g' rust-toolchain.toml
+./ci-nightly.sh
-./ci_stable.sh
 # Save lockfiles
 echo Saving lockfiles...
diff --git a/.github/ci/rustfmt.sh b/.github/ci/rustfmt.sh
new file mode 100755
index 000000000..369239cfe
--- /dev/null
+++ b/.github/ci/rustfmt.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+## on push branch~=gh-readonly-queue/main/.*
+## on pull_request
+set -euo pipefail
+export RUSTUP_HOME=/ci/cache/rustup
+export CARGO_HOME=/ci/cache/cargo
+export CARGO_TARGET_DIR=/ci/cache/target
+mv rust-toolchain-nightly.toml rust-toolchain.toml
+find . -name '*.rs' -not -path '*target*' | xargs rustfmt --check  --skip-children --unstable-features --edition 2021
diff --git a/.github/ci/test-nightly.sh b/.github/ci/test-nightly.sh
new file mode 100755
index 000000000..d6e5dc574
--- /dev/null
+++ b/.github/ci/test-nightly.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+## on push branch~=gh-readonly-queue/main/.*
+## on pull_request
+set -euo pipefail
+export RUSTUP_HOME=/ci/cache/rustup
+export CARGO_HOME=/ci/cache/cargo
+export CARGO_TARGET_DIR=/ci/cache/target
+mv rust-toolchain-nightly.toml rust-toolchain.toml
+MIRIFLAGS=-Zmiri-ignore-leaks cargo miri test --manifest-path ./embassy-executor/Cargo.toml
+MIRIFLAGS=-Zmiri-ignore-leaks cargo miri test --manifest-path ./embassy-executor/Cargo.toml --features nightly
diff --git a/.github/ci/test.sh b/.github/ci/test.sh
index 0ec65d2a1..369f6d221 100755
--- a/.github/ci/test.sh
+++ b/.github/ci/test.sh
@@ -8,9 +8,6 @@ export RUSTUP_HOME=/ci/cache/rustup
 export CARGO_HOME=/ci/cache/cargo
 export CARGO_TARGET_DIR=/ci/cache/target
-MIRIFLAGS=-Zmiri-ignore-leaks cargo miri test --manifest-path ./embassy-executor/Cargo.toml
-MIRIFLAGS=-Zmiri-ignore-leaks cargo miri test --manifest-path ./embassy-executor/Cargo.toml --features nightly
 cargo test --manifest-path ./embassy-sync/Cargo.toml 
 cargo test --manifest-path ./embassy-embedded-hal/Cargo.toml 
 cargo test --manifest-path ./embassy-hal-internal/Cargo.toml 
diff --git a/.vscode/settings.json b/.vscode/settings.json
index d46ce603b..a5b23175a 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -15,14 +15,10 @@
  //"rust-analyzer.cargo.target": "thumbv7m-none-eabi",
  "rust-analyzer.cargo.target": "thumbv7em-none-eabi",
  //"rust-analyzer.cargo.target": "thumbv8m.main-none-eabihf",
-  "rust-analyzer.cargo.features": [
-    // Uncomment if the example has a "nightly" feature.
-    "nightly",
-  ],
  "rust-analyzer.linkedProjects": [
    // Uncomment ONE line for the chip you want to work on.
    // This makes rust-analyzer work on the example crate and all its dependencies.
-    "examples/nrf52840/Cargo.toml",
+    "examples/stm32l4/Cargo.toml",
    // "examples/nrf52840-rtic/Cargo.toml",
    // "examples/nrf5340/Cargo.toml",
    // "examples/nrf-rtos-trace/Cargo.toml",
@@ -49,4 +45,4 @@
    // "examples/stm32wl/Cargo.toml",
    // "examples/wasm/Cargo.toml",
  ],
-}
-\ No newline at end of file
+}
diff --git a/ci-nightly.sh b/ci-nightly.sh
new file mode 100755
index 000000000..1fc9692b5
--- /dev/null
+++ b/ci-nightly.sh
@@ -0,0 +1,30 @@
+#!/bin/bash
+set -eo pipefail
+export RUSTFLAGS=-Dwarnings
+export DEFMT_LOG=trace,embassy_hal_internal=debug,embassy_net_esp_hosted=debug,cyw43=info,cyw43_pio=info,smoltcp=info
+if [[ -z "${CARGO_TARGET_DIR}" ]]; then
+    export CARGO_TARGET_DIR=target_ci
+fi
+cargo batch  \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,log \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,defmt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv6m-none-eabi --features nightly,defmt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv6m-none-eabi --features nightly,defmt,arch-cortex-m,executor-thread,executor-interrupt,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-interrupt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-interrupt,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread,executor-interrupt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread,executor-interrupt,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32 \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32,executor-thread \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32,executor-thread,integrated-timers \
+    --- build --release --manifest-path examples/nrf52840-rtic/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/nrf52840-rtic \
diff --git a/ci.sh b/ci.sh
index e3918783f..933e54a80 100755
--- a/ci.sh
+++ b/ci.sh
@@ -15,26 +15,24 @@ if [ $TARGET = "x86_64-unknown-linux-gnu" ]; then
    BUILD_EXTRA="--- build --release --manifest-path examples/std/Cargo.toml --target $TARGET --out-dir out/examples/std"
 fi
-find . -name '*.rs' -not -path '*target*' | xargs rustfmt --check  --skip-children --unstable-features --edition 2021
 cargo batch  \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,log \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features log \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,defmt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features defmt \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv6m-none-eabi --features nightly,defmt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv6m-none-eabi --features defmt \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv6m-none-eabi --features nightly,defmt,arch-cortex-m,executor-thread,executor-interrupt,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv6m-none-eabi --features defmt,arch-cortex-m,executor-thread,executor-interrupt,integrated-timers \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m,integrated-timers \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m,executor-thread \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m,executor-thread,integrated-timers \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-interrupt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m,executor-interrupt \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-interrupt,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m,executor-interrupt,integrated-timers \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread,executor-interrupt \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m,executor-thread,executor-interrupt \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features nightly,arch-cortex-m,executor-thread,executor-interrupt,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features arch-cortex-m,executor-thread,executor-interrupt,integrated-timers \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32 \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features arch-riscv32 \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features arch-riscv32,integrated-timers \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32,executor-thread \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features arch-riscv32,executor-thread \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features nightly,arch-riscv32,executor-thread,integrated-timers \
+    --- build --release --manifest-path embassy-executor/Cargo.toml --target riscv32imac-unknown-none-elf --features arch-riscv32,executor-thread,integrated-timers \
    --- build --release --manifest-path embassy-sync/Cargo.toml --target thumbv6m-none-eabi --features defmt \
    --- build --release --manifest-path embassy-time/Cargo.toml --target thumbv6m-none-eabi --features defmt,defmt-timestamp-uptime,tick-hz-32_768,generic-queue-8 \
    --- build --release --manifest-path embassy-net/Cargo.toml --target thumbv7em-none-eabi --features defmt,tcp,udp,dns,proto-ipv4,medium-ethernet \
@@ -140,7 +138,6 @@ cargo batch  \
    --- build --release --manifest-path docs/modules/ROOT/examples/layer-by-layer/blinky-irq/Cargo.toml --target thumbv7em-none-eabi \
    --- build --release --manifest-path docs/modules/ROOT/examples/layer-by-layer/blinky-async/Cargo.toml --target thumbv7em-none-eabi \
    --- build --release --manifest-path examples/nrf52840/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/nrf52840 \
-    --- build --release --manifest-path examples/nrf52840-rtic/Cargo.toml --target thumbv7em-none-eabi --out-dir out/examples/nrf52840-rtic \
    --- build --release --manifest-path examples/nrf5340/Cargo.toml --target thumbv8m.main-none-eabihf --out-dir out/examples/nrf5340 \
    --- build --release --manifest-path examples/rp/Cargo.toml --target thumbv6m-none-eabi --out-dir out/examples/rp \
    --- build --release --manifest-path examples/stm32f0/Cargo.toml --target thumbv6m-none-eabi --out-dir out/examples/stm32f0 \
diff --git a/ci_stable.sh b/ci_stable.sh
deleted file mode 100755
index 66ed8f79d..000000000
--- a/ci_stable.sh
+++ /dev/null
@@ -1,77 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-export RUSTFLAGS=-Dwarnings
-export DEFMT_LOG=trace
-cargo batch  \
-    --- build --release --manifest-path embassy-boot/nrf/Cargo.toml --target thumbv7em-none-eabi --features embassy-nrf/nrf52840 \
-    --- build --release --manifest-path embassy-boot/nrf/Cargo.toml --target thumbv8m.main-none-eabihf --features embassy-nrf/nrf9160-ns \
-    --- build --release --manifest-path embassy-boot/rp/Cargo.toml --target thumbv6m-none-eabi \
-    --- build --release --manifest-path embassy-boot/stm32/Cargo.toml --target thumbv7em-none-eabi --features embassy-stm32/stm32wl55jc-cm4 \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features log \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv7em-none-eabi --features defmt \
-    --- build --release --manifest-path embassy-executor/Cargo.toml --target thumbv6m-none-eabi --features defmt \
-    --- build --release --manifest-path embassy-net/Cargo.toml --target thumbv7em-none-eabi --features defmt,tcp,udp,dns,proto-ipv4,medium-ethernet \
-    --- build --release --manifest-path embassy-net/Cargo.toml --target thumbv7em-none-eabi --features defmt,tcp,udp,dns,dhcpv4,medium-ethernet \
-    --- build --release --manifest-path embassy-net/Cargo.toml --target thumbv7em-none-eabi --features defmt,tcp,udp,dns,proto-ipv6,medium-ethernet \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52805,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52810,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52811,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52820,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52832,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52833,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv8m.main-none-eabihf --features nrf9160-s,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv8m.main-none-eabihf --features nrf9160-ns,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv8m.main-none-eabihf --features nrf5340-app-s,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv8m.main-none-eabihf --features nrf5340-app-ns,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv8m.main-none-eabihf --features nrf5340-net,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52840,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52840,log,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-nrf/Cargo.toml --target thumbv7em-none-eabi --features nrf52840,defmt,gpiote,time-driver-rtc1 \
-    --- build --release --manifest-path embassy-rp/Cargo.toml --target thumbv6m-none-eabi --features defmt \
-    --- build --release --manifest-path embassy-rp/Cargo.toml --target thumbv6m-none-eabi --features log \
-    --- build --release --manifest-path embassy-rp/Cargo.toml --target thumbv6m-none-eabi \
-    --- build --release --manifest-path embassy-rp/Cargo.toml --target thumbv6m-none-eabi --features qspi-as-gpio \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32g473cc,defmt,exti,time-driver-any \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32g491re,defmt,exti,time-driver-any \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32u585zi,defmt,exti,time-driver-any \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32wb55vy,defmt,exti,time-driver-any \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32wl55cc-cm4,defmt,exti,time-driver-any \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32g473cc,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32g491re,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32u585zi,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32wb55vy,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32wl55cc-cm4,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32l4r9zi,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f303vc,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f411ce,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f411ce,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f429zi,log,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f429zi,log,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32h755zi-cm7,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32h755zi-cm7,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32l476vg,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32l476vg,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32l072cz,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32l072cz,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7m-none-eabi --features stm32l151cb-a,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7m-none-eabi --features stm32l151cb-a,defmt,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f410tb,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f410tb,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f429zi,log,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32f429zi,log,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32h755zi-cm7,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32h755zi-cm7,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32l476vg,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7em-none-eabi --features stm32l476vg,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32l072cz,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv6m-none-eabi --features stm32l072cz,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7m-none-eabi --features stm32l151cb-a,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7m-none-eabi --features stm32l151cb-a,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7m-none-eabi --features stm32f217zg,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path embassy-stm32/Cargo.toml --target thumbv7m-none-eabi --features stm32f217zg,defmt,exti,time-driver-any,time \
-    --- build --release --manifest-path examples/nrf52840/Cargo.toml --target thumbv7em-none-eabi --no-default-features --out-dir out/examples/nrf52840 --bin raw_spawn \
-    --- build --release --manifest-path examples/stm32l0/Cargo.toml --target thumbv6m-none-eabi --no-default-features --out-dir out/examples/stm32l0 --bin raw_spawn \
diff --git a/docs/modules/ROOT/examples/basic/src/main.rs b/docs/modules/ROOT/examples/basic/src/main.rs
index 04170db55..2a4ee5968 100644
--- a/docs/modules/ROOT/examples/basic/src/main.rs
+++ b/docs/modules/ROOT/examples/basic/src/main.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/docs/modules/ROOT/examples/layer-by-layer/blinky-async/Cargo.toml b/docs/modules/ROOT/examples/layer-by-layer/blinky-async/Cargo.toml
index dcdb71e7b..2d47dccf4 100644
--- a/docs/modules/ROOT/examples/layer-by-layer/blinky-async/Cargo.toml
+++ b/docs/modules/ROOT/examples/layer-by-layer/blinky-async/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 cortex-m = "0.7"
 cortex-m-rt = "0.7"
 embassy-stm32 = { version = "0.1.0", features = ["stm32l475vg", "memory-x", "exti"]  }
-embassy-executor = { version = "0.4.0", features = ["nightly", "arch-cortex-m", "executor-thread"] }
+embassy-executor = { version = "0.4.0", features = ["arch-cortex-m", "executor-thread"] }
 defmt = "0.3.0"
 defmt-rtt = "0.3.0"
diff --git a/docs/modules/ROOT/examples/layer-by-layer/blinky-async/src/main.rs b/docs/modules/ROOT/examples/layer-by-layer/blinky-async/src/main.rs
index 8df632240..e6753be28 100644
--- a/docs/modules/ROOT/examples/layer-by-layer/blinky-async/src/main.rs
+++ b/docs/modules/ROOT/examples/layer-by-layer/blinky-async/src/main.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
diff --git a/embassy-executor/Cargo.toml b/embassy-executor/Cargo.toml
index ec5aca46d..4dcd03b0f 100644
--- a/embassy-executor/Cargo.toml
+++ b/embassy-executor/Cargo.toml
@@ -14,7 +14,7 @@ categories = [
 [package.metadata.embassy_docs]
 src_base = "https://github.com/embassy-rs/embassy/blob/embassy-executor-v$VERSION/embassy-executor/src/"
 src_base_git = "https://github.com/embassy-rs/embassy/blob/$COMMIT/embassy-executor/src/"
-features = ["nightly", "defmt"]
+features = ["defmt"]
 flavors = [
    { name = "std",             target = "x86_64-unknown-linux-gnu",     features = ["arch-std", "executor-thread"] },
    { name = "wasm",            target = "wasm32-unknown-unknown",       features = ["arch-wasm", "executor-thread"] },
@@ -25,7 +25,7 @@ flavors = [
 [package.metadata.docs.rs]
 default-target = "thumbv7em-none-eabi"
 targets = ["thumbv7em-none-eabi"]
-features = ["nightly", "defmt", "arch-cortex-m", "executor-thread", "executor-interrupt"]
+features = ["defmt", "arch-cortex-m", "executor-thread", "executor-interrupt"]
 [dependencies]
 defmt = { version = "0.3", optional = true }
diff --git a/embassy-rp/Cargo.toml b/embassy-rp/Cargo.toml
index c557940b1..93dad68ce 100644
--- a/embassy-rp/Cargo.toml
+++ b/embassy-rp/Cargo.toml
@@ -87,5 +87,5 @@ pio = {version= "0.2.1" }
 rp2040-boot2 = "0.3"
 [dev-dependencies]
-embassy-executor = { version = "0.4.0", path = "../embassy-executor", features = ["nightly", "arch-std", "executor-thread"] }
+embassy-executor = { version = "0.4.0", path = "../embassy-executor", features = ["arch-std", "executor-thread"] }
 static_cell = { version = "2" }
diff --git a/embassy-rp/src/lib.rs b/embassy-rp/src/lib.rs
index 004b94589..fdacf4965 100644
--- a/embassy-rp/src/lib.rs
+++ b/embassy-rp/src/lib.rs
@@ -247,7 +247,6 @@ select_bootloader! {
 /// # Usage
 ///
 /// ```no_run
-/// #![feature(type_alias_impl_trait)]
 /// use embassy_rp::install_core0_stack_guard;
 /// use embassy_executor::{Executor, Spawner};
 ///
diff --git a/embassy-rp/src/multicore.rs b/embassy-rp/src/multicore.rs
index 915761801..252f30dc1 100644
--- a/embassy-rp/src/multicore.rs
+++ b/embassy-rp/src/multicore.rs
@@ -11,7 +11,6 @@
 //! # Usage
 //!
 //! ```no_run
-//! # #![feature(type_alias_impl_trait)]
 //! use embassy_rp::multicore::Stack;
 //! use static_cell::StaticCell;
 //! use embassy_executor::Executor;
diff --git a/embassy-stm32-wpan/Cargo.toml b/embassy-stm32-wpan/Cargo.toml
index f887b8171..1780688cd 100644
--- a/embassy-stm32-wpan/Cargo.toml
+++ b/embassy-stm32-wpan/Cargo.toml
@@ -26,7 +26,7 @@ aligned = "0.4.1"
 bit_field = "0.10.2"
 stm32-device-signature = { version = "0.3.3", features = ["stm32wb5x"] }
-stm32wb-hci = { version = "0.1.4", optional = true }
+stm32wb-hci = { git = "https://github.com/Dirbaio/stm32wb-hci", rev = "0aff47e009c30c5fc5d520672625173d75f7505c", optional = true }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 bitflags = { version = "2.3.3", optional = true }
diff --git a/embassy-time/src/timer.rs b/embassy-time/src/timer.rs
index 574d715da..2705ba03f 100644
--- a/embassy-time/src/timer.rs
+++ b/embassy-time/src/timer.rs
@@ -47,9 +47,6 @@ impl Timer {
    ///
    /// Example:
    /// ``` no_run
-    /// # #![feature(type_alias_impl_trait)]
-    /// #
-    /// # fn foo() {}
    /// use embassy_time::{Duration, Timer};
    ///
    /// #[embassy_executor::task]
@@ -132,8 +129,6 @@ impl Future for Timer {
 ///
 /// For instance, consider the following code fragment.
 /// ``` no_run
-/// # #![feature(type_alias_impl_trait)]
-/// #
 /// use embassy_time::{Duration, Timer};
 /// # fn foo() {}
 ///
@@ -152,8 +147,6 @@ impl Future for Timer {
 /// Example using ticker, which will consistently call `foo` once a second.
 ///
 /// ``` no_run
-/// # #![feature(type_alias_impl_trait)]
-/// #
 /// use embassy_time::{Duration, Ticker};
 /// # fn foo(){}
 ///
diff --git a/examples/boot/application/nrf/Cargo.toml b/examples/boot/application/nrf/Cargo.toml
index 5f11750b2..b52bac650 100644
--- a/examples/boot/application/nrf/Cargo.toml
+++ b/examples/boot/application/nrf/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers", "arch-cortex-m", "executor-thread"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers", "arch-cortex-m", "executor-thread"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [] }
 embassy-nrf = { version = "0.1.0", path = "../../../../embassy-nrf", features = ["time-driver-rtc1", "gpiote", ] }
 embassy-boot = { version = "0.1.0", path = "../../../../embassy-boot/boot", features = [] }
diff --git a/examples/boot/application/nrf/src/bin/a.rs b/examples/boot/application/nrf/src/bin/a.rs
index 8b510ed35..f3abfddbc 100644
--- a/examples/boot/application/nrf/src/bin/a.rs
+++ b/examples/boot/application/nrf/src/bin/a.rs
@@ -1,7 +1,6 @@
 #![no_std]
 #![no_main]
 #![macro_use]
-#![feature(type_alias_impl_trait)]
 use embassy_boot_nrf::{FirmwareUpdater, FirmwareUpdaterConfig};
 use embassy_embedded_hal::adapter::BlockingAsync;
diff --git a/examples/boot/application/nrf/src/bin/b.rs b/examples/boot/application/nrf/src/bin/b.rs
index a88c3c56c..de97b6a22 100644
--- a/examples/boot/application/nrf/src/bin/b.rs
+++ b/examples/boot/application/nrf/src/bin/b.rs
@@ -1,7 +1,6 @@
 #![no_std]
 #![no_main]
 #![macro_use]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
diff --git a/examples/boot/application/rp/Cargo.toml b/examples/boot/application/rp/Cargo.toml
index 89ac5a8f6..08ce16877 100644
--- a/examples/boot/application/rp/Cargo.toml
+++ b/examples/boot/application/rp/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers", "arch-cortex-m", "executor-thread"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers", "arch-cortex-m", "executor-thread"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [] }
 embassy-rp = { version = "0.1.0", path = "../../../../embassy-rp", features = ["time-driver", ] }
 embassy-boot-rp = { version = "0.1.0", path = "../../../../embassy-boot/rp", features = [] }
diff --git a/examples/boot/application/rp/src/bin/a.rs b/examples/boot/application/rp/src/bin/a.rs
index 6fd5d7f60..3f0bf90e2 100644
--- a/examples/boot/application/rp/src/bin/a.rs
+++ b/examples/boot/application/rp/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::cell::RefCell;
diff --git a/examples/boot/application/rp/src/bin/b.rs b/examples/boot/application/rp/src/bin/b.rs
index 1eca5b4a2..a46d095bf 100644
--- a/examples/boot/application/rp/src/bin/b.rs
+++ b/examples/boot/application/rp/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_rp::gpio;
diff --git a/examples/boot/application/stm32f3/Cargo.toml b/examples/boot/application/stm32f3/Cargo.toml
index 1a0f8cee5..248ec6dce 100644
--- a/examples/boot/application/stm32f3/Cargo.toml
+++ b/examples/boot/application/stm32f3/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32f303re", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32" }
diff --git a/examples/boot/application/stm32f3/src/bin/a.rs b/examples/boot/application/stm32f3/src/bin/a.rs
index 8be39bfb7..96ae5c47b 100644
--- a/examples/boot/application/stm32f3/src/bin/a.rs
+++ b/examples/boot/application/stm32f3/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32f3/src/bin/b.rs b/examples/boot/application/stm32f3/src/bin/b.rs
index 8411f384c..22ba82d5e 100644
--- a/examples/boot/application/stm32f3/src/bin/b.rs
+++ b/examples/boot/application/stm32f3/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32f7/Cargo.toml b/examples/boot/application/stm32f7/Cargo.toml
index e42d1d421..aa5f87615 100644
--- a/examples/boot/application/stm32f7/Cargo.toml
+++ b/examples/boot/application/stm32f7/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32f767zi", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = [] }
diff --git a/examples/boot/application/stm32f7/src/bin/a.rs b/examples/boot/application/stm32f7/src/bin/a.rs
index 0c3819bed..a6107386a 100644
--- a/examples/boot/application/stm32f7/src/bin/a.rs
+++ b/examples/boot/application/stm32f7/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::cell::RefCell;
diff --git a/examples/boot/application/stm32f7/src/bin/b.rs b/examples/boot/application/stm32f7/src/bin/b.rs
index 4c2ad06a2..190477204 100644
--- a/examples/boot/application/stm32f7/src/bin/b.rs
+++ b/examples/boot/application/stm32f7/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32h7/Cargo.toml b/examples/boot/application/stm32h7/Cargo.toml
index 8450d8639..78e33de28 100644
--- a/examples/boot/application/stm32h7/Cargo.toml
+++ b/examples/boot/application/stm32h7/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32h743zi", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = [] }
diff --git a/examples/boot/application/stm32h7/src/bin/a.rs b/examples/boot/application/stm32h7/src/bin/a.rs
index f239e3732..b73506cf3 100644
--- a/examples/boot/application/stm32h7/src/bin/a.rs
+++ b/examples/boot/application/stm32h7/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::cell::RefCell;
diff --git a/examples/boot/application/stm32h7/src/bin/b.rs b/examples/boot/application/stm32h7/src/bin/b.rs
index 5c03e2d0c..5f3f35207 100644
--- a/examples/boot/application/stm32h7/src/bin/b.rs
+++ b/examples/boot/application/stm32h7/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32l0/Cargo.toml b/examples/boot/application/stm32l0/Cargo.toml
index d6684bedb..240afe4c6 100644
--- a/examples/boot/application/stm32l0/Cargo.toml
+++ b/examples/boot/application/stm32l0/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32l072cz", "time-driver-any", "exti", "memory-x"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = [] }
diff --git a/examples/boot/application/stm32l0/src/bin/a.rs b/examples/boot/application/stm32l0/src/bin/a.rs
index 42e1a71eb..02f74bdef 100644
--- a/examples/boot/application/stm32l0/src/bin/a.rs
+++ b/examples/boot/application/stm32l0/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32l0/src/bin/b.rs b/examples/boot/application/stm32l0/src/bin/b.rs
index 52d42395f..6bf00f41a 100644
--- a/examples/boot/application/stm32l0/src/bin/b.rs
+++ b/examples/boot/application/stm32l0/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32l1/Cargo.toml b/examples/boot/application/stm32l1/Cargo.toml
index cca8bf443..97f1e277b 100644
--- a/examples/boot/application/stm32l1/Cargo.toml
+++ b/examples/boot/application/stm32l1/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32l151cb-a", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = [] }
diff --git a/examples/boot/application/stm32l1/src/bin/a.rs b/examples/boot/application/stm32l1/src/bin/a.rs
index 42e1a71eb..02f74bdef 100644
--- a/examples/boot/application/stm32l1/src/bin/a.rs
+++ b/examples/boot/application/stm32l1/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32l1/src/bin/b.rs b/examples/boot/application/stm32l1/src/bin/b.rs
index 52d42395f..6bf00f41a 100644
--- a/examples/boot/application/stm32l1/src/bin/b.rs
+++ b/examples/boot/application/stm32l1/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32l4/Cargo.toml b/examples/boot/application/stm32l4/Cargo.toml
index 30d61056c..0c3830f97 100644
--- a/examples/boot/application/stm32l4/Cargo.toml
+++ b/examples/boot/application/stm32l4/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32l475vg", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = [] }
diff --git a/examples/boot/application/stm32l4/src/bin/a.rs b/examples/boot/application/stm32l4/src/bin/a.rs
index eefa25f75..892446968 100644
--- a/examples/boot/application/stm32l4/src/bin/a.rs
+++ b/examples/boot/application/stm32l4/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32l4/src/bin/b.rs b/examples/boot/application/stm32l4/src/bin/b.rs
index 8411f384c..22ba82d5e 100644
--- a/examples/boot/application/stm32l4/src/bin/b.rs
+++ b/examples/boot/application/stm32l4/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32wb-dfu/Cargo.toml b/examples/boot/application/stm32wb-dfu/Cargo.toml
index f6beea498..cdaee802e 100644
--- a/examples/boot/application/stm32wb-dfu/Cargo.toml
+++ b/examples/boot/application/stm32wb-dfu/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32wb55rg", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = [] }
diff --git a/examples/boot/application/stm32wb-dfu/src/main.rs b/examples/boot/application/stm32wb-dfu/src/main.rs
index fbecbf23b..b2ccb9e1a 100644
--- a/examples/boot/application/stm32wb-dfu/src/main.rs
+++ b/examples/boot/application/stm32wb-dfu/src/main.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::cell::RefCell;
diff --git a/examples/boot/application/stm32wl/Cargo.toml b/examples/boot/application/stm32wl/Cargo.toml
index 7489a2fe9..b5677e148 100644
--- a/examples/boot/application/stm32wl/Cargo.toml
+++ b/examples/boot/application/stm32wl/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../../../embassy-sync" }
-embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../../../embassy-time", features = [ "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["stm32wl55jc-cm4", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = [] }
diff --git a/examples/boot/application/stm32wl/src/bin/a.rs b/examples/boot/application/stm32wl/src/bin/a.rs
index c837e47b5..d9665e6ee 100644
--- a/examples/boot/application/stm32wl/src/bin/a.rs
+++ b/examples/boot/application/stm32wl/src/bin/a.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/boot/application/stm32wl/src/bin/b.rs b/examples/boot/application/stm32wl/src/bin/b.rs
index 1ca3c6ea8..8dd15d8cd 100644
--- a/examples/boot/application/stm32wl/src/bin/b.rs
+++ b/examples/boot/application/stm32wl/src/bin/b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[cfg(feature = "defmt-rtt")]
 use defmt_rtt::*;
diff --git a/examples/nrf-rtos-trace/src/bin/rtos_trace.rs b/examples/nrf-rtos-trace/src/bin/rtos_trace.rs
index 888375693..41cc06417 100644
--- a/examples/nrf-rtos-trace/src/bin/rtos_trace.rs
+++ b/examples/nrf-rtos-trace/src/bin/rtos_trace.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::future::poll_fn;
 use core::task::Poll;
diff --git a/examples/nrf52840/Cargo.toml b/examples/nrf52840/Cargo.toml
index 1c49c32e1..bc8a7f2d6 100644
--- a/examples/nrf52840/Cargo.toml
+++ b/examples/nrf52840/Cargo.toml
@@ -4,12 +4,6 @@ name = "embassy-nrf52840-examples"
 version = "0.1.0"
 license = "MIT OR Apache-2.0"
-[features]
-default = ["nightly"]
-nightly = [
-    "static_cell/nightly",
-]
 [dependencies]
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
diff --git a/examples/nrf52840/src/bin/blinky.rs b/examples/nrf52840/src/bin/blinky.rs
index d3d1a7122..58a3d2cd9 100644
--- a/examples/nrf52840/src/bin/blinky.rs
+++ b/examples/nrf52840/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
diff --git a/examples/nrf52840/src/bin/buffered_uart.rs b/examples/nrf52840/src/bin/buffered_uart.rs
index d9c505786..6ac72bcaf 100644
--- a/examples/nrf52840/src/bin/buffered_uart.rs
+++ b/examples/nrf52840/src/bin/buffered_uart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/channel.rs b/examples/nrf52840/src/bin/channel.rs
index d3c7b47d2..7fcea9dbd 100644
--- a/examples/nrf52840/src/bin/channel.rs
+++ b/examples/nrf52840/src/bin/channel.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::unwrap;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/channel_sender_receiver.rs b/examples/nrf52840/src/bin/channel_sender_receiver.rs
index 79d2c4048..3095a04ec 100644
--- a/examples/nrf52840/src/bin/channel_sender_receiver.rs
+++ b/examples/nrf52840/src/bin/channel_sender_receiver.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::unwrap;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/ethernet_enc28j60.rs b/examples/nrf52840/src/bin/ethernet_enc28j60.rs
index 840a16556..a8e64b38a 100644
--- a/examples/nrf52840/src/bin/ethernet_enc28j60.rs
+++ b/examples/nrf52840/src/bin/ethernet_enc28j60.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/executor_fairness_test.rs b/examples/nrf52840/src/bin/executor_fairness_test.rs
index f111b272e..df6e7af3f 100644
--- a/examples/nrf52840/src/bin/executor_fairness_test.rs
+++ b/examples/nrf52840/src/bin/executor_fairness_test.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::future::poll_fn;
 use core::task::Poll;
diff --git a/examples/nrf52840/src/bin/gpiote_channel.rs b/examples/nrf52840/src/bin/gpiote_channel.rs
index 5bfd02465..e254d613d 100644
--- a/examples/nrf52840/src/bin/gpiote_channel.rs
+++ b/examples/nrf52840/src/bin/gpiote_channel.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/gpiote_port.rs b/examples/nrf52840/src/bin/gpiote_port.rs
index 0155d539e..c1afe2f20 100644
--- a/examples/nrf52840/src/bin/gpiote_port.rs
+++ b/examples/nrf52840/src/bin/gpiote_port.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/i2s_effect.rs b/examples/nrf52840/src/bin/i2s_effect.rs
index 391514d93..9eadeb4e4 100644
--- a/examples/nrf52840/src/bin/i2s_effect.rs
+++ b/examples/nrf52840/src/bin/i2s_effect.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::f32::consts::PI;
diff --git a/examples/nrf52840/src/bin/i2s_monitor.rs b/examples/nrf52840/src/bin/i2s_monitor.rs
index 4ed597c0d..799be351f 100644
--- a/examples/nrf52840/src/bin/i2s_monitor.rs
+++ b/examples/nrf52840/src/bin/i2s_monitor.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{debug, error, info};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/i2s_waveform.rs b/examples/nrf52840/src/bin/i2s_waveform.rs
index f2c1166b1..137d82840 100644
--- a/examples/nrf52840/src/bin/i2s_waveform.rs
+++ b/examples/nrf52840/src/bin/i2s_waveform.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::f32::consts::PI;
diff --git a/examples/nrf52840/src/bin/manually_create_executor.rs b/examples/nrf52840/src/bin/manually_create_executor.rs
index 80364d34a..7ca39348e 100644
--- a/examples/nrf52840/src/bin/manually_create_executor.rs
+++ b/examples/nrf52840/src/bin/manually_create_executor.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
diff --git a/examples/nrf52840/src/bin/multiprio.rs b/examples/nrf52840/src/bin/multiprio.rs
index 352f62bf2..b634d8569 100644
--- a/examples/nrf52840/src/bin/multiprio.rs
+++ b/examples/nrf52840/src/bin/multiprio.rs
@@ -55,7 +55,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
diff --git a/examples/nrf52840/src/bin/mutex.rs b/examples/nrf52840/src/bin/mutex.rs
index 11b47d991..5c22279b5 100644
--- a/examples/nrf52840/src/bin/mutex.rs
+++ b/examples/nrf52840/src/bin/mutex.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/nvmc.rs b/examples/nrf52840/src/bin/nvmc.rs
index 624829863..a79385b98 100644
--- a/examples/nrf52840/src/bin/nvmc.rs
+++ b/examples/nrf52840/src/bin/nvmc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pdm.rs b/examples/nrf52840/src/bin/pdm.rs
index bff323974..52dadc805 100644
--- a/examples/nrf52840/src/bin/pdm.rs
+++ b/examples/nrf52840/src/bin/pdm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pdm_continuous.rs b/examples/nrf52840/src/bin/pdm_continuous.rs
index 7d8531475..e948203a5 100644
--- a/examples/nrf52840/src/bin/pdm_continuous.rs
+++ b/examples/nrf52840/src/bin/pdm_continuous.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::cmp::Ordering;
diff --git a/examples/nrf52840/src/bin/ppi.rs b/examples/nrf52840/src/bin/ppi.rs
index d74ce4064..129ad06e7 100644
--- a/examples/nrf52840/src/bin/ppi.rs
+++ b/examples/nrf52840/src/bin/ppi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::future::pending;
diff --git a/examples/nrf52840/src/bin/pubsub.rs b/examples/nrf52840/src/bin/pubsub.rs
index 17d902227..5ebea9220 100644
--- a/examples/nrf52840/src/bin/pubsub.rs
+++ b/examples/nrf52840/src/bin/pubsub.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::unwrap;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm.rs b/examples/nrf52840/src/bin/pwm.rs
index 9750935c8..a5bb1347a 100644
--- a/examples/nrf52840/src/bin/pwm.rs
+++ b/examples/nrf52840/src/bin/pwm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_double_sequence.rs b/examples/nrf52840/src/bin/pwm_double_sequence.rs
index 1bfe6e15a..386c483b8 100644
--- a/examples/nrf52840/src/bin/pwm_double_sequence.rs
+++ b/examples/nrf52840/src/bin/pwm_double_sequence.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_sequence.rs b/examples/nrf52840/src/bin/pwm_sequence.rs
index f282cf910..87eda265f 100644
--- a/examples/nrf52840/src/bin/pwm_sequence.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_sequence_ppi.rs b/examples/nrf52840/src/bin/pwm_sequence_ppi.rs
index 6594fa348..60ea712b5 100644
--- a/examples/nrf52840/src/bin/pwm_sequence_ppi.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence_ppi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::future::pending;
diff --git a/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs b/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
index 8596e6545..751cf4425 100644
--- a/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/pwm_servo.rs b/examples/nrf52840/src/bin/pwm_servo.rs
index 92ded1f88..d772d2f5d 100644
--- a/examples/nrf52840/src/bin/pwm_servo.rs
+++ b/examples/nrf52840/src/bin/pwm_servo.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/qdec.rs b/examples/nrf52840/src/bin/qdec.rs
index 59783d312..ea849be63 100644
--- a/examples/nrf52840/src/bin/qdec.rs
+++ b/examples/nrf52840/src/bin/qdec.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/qspi.rs b/examples/nrf52840/src/bin/qspi.rs
index 9e8a01f4e..4539dd0e3 100644
--- a/examples/nrf52840/src/bin/qspi.rs
+++ b/examples/nrf52840/src/bin/qspi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{assert_eq, info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/qspi_lowpower.rs b/examples/nrf52840/src/bin/qspi_lowpower.rs
index 42b5454e0..516c9b481 100644
--- a/examples/nrf52840/src/bin/qspi_lowpower.rs
+++ b/examples/nrf52840/src/bin/qspi_lowpower.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/rng.rs b/examples/nrf52840/src/bin/rng.rs
index 855743f50..326054c9a 100644
--- a/examples/nrf52840/src/bin/rng.rs
+++ b/examples/nrf52840/src/bin/rng.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_nrf::rng::Rng;
diff --git a/examples/nrf52840/src/bin/saadc.rs b/examples/nrf52840/src/bin/saadc.rs
index d651834f5..653b7d606 100644
--- a/examples/nrf52840/src/bin/saadc.rs
+++ b/examples/nrf52840/src/bin/saadc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/saadc_continuous.rs b/examples/nrf52840/src/bin/saadc_continuous.rs
index a5f8a4dd7..f76fa3570 100644
--- a/examples/nrf52840/src/bin/saadc_continuous.rs
+++ b/examples/nrf52840/src/bin/saadc_continuous.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/self_spawn.rs b/examples/nrf52840/src/bin/self_spawn.rs
index 8a58396a4..5bfefc2af 100644
--- a/examples/nrf52840/src/bin/self_spawn.rs
+++ b/examples/nrf52840/src/bin/self_spawn.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/self_spawn_current_executor.rs b/examples/nrf52840/src/bin/self_spawn_current_executor.rs
index 65d50f8c3..ec9569a64 100644
--- a/examples/nrf52840/src/bin/self_spawn_current_executor.rs
+++ b/examples/nrf52840/src/bin/self_spawn_current_executor.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/spim.rs b/examples/nrf52840/src/bin/spim.rs
index 9d1843a8f..131187660 100644
--- a/examples/nrf52840/src/bin/spim.rs
+++ b/examples/nrf52840/src/bin/spim.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/spis.rs b/examples/nrf52840/src/bin/spis.rs
index 77b6e8b64..613cd37ab 100644
--- a/examples/nrf52840/src/bin/spis.rs
+++ b/examples/nrf52840/src/bin/spis.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/temp.rs b/examples/nrf52840/src/bin/temp.rs
index d94dea38d..1d28f8ecf 100644
--- a/examples/nrf52840/src/bin/temp.rs
+++ b/examples/nrf52840/src/bin/temp.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/timer.rs b/examples/nrf52840/src/bin/timer.rs
index 9b9bb3eb4..365695a20 100644
--- a/examples/nrf52840/src/bin/timer.rs
+++ b/examples/nrf52840/src/bin/timer.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/twim.rs b/examples/nrf52840/src/bin/twim.rs
index 959e3a4be..a9a0765e8 100644
--- a/examples/nrf52840/src/bin/twim.rs
+++ b/examples/nrf52840/src/bin/twim.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/twim_lowpower.rs b/examples/nrf52840/src/bin/twim_lowpower.rs
index bf9f966ef..c743614b8 100644
--- a/examples/nrf52840/src/bin/twim_lowpower.rs
+++ b/examples/nrf52840/src/bin/twim_lowpower.rs
@@ -6,7 +6,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/twis.rs b/examples/nrf52840/src/bin/twis.rs
index aa42b679e..88bd4cceb 100644
--- a/examples/nrf52840/src/bin/twis.rs
+++ b/examples/nrf52840/src/bin/twis.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/uart.rs b/examples/nrf52840/src/bin/uart.rs
index 50d5cab8c..accaccea1 100644
--- a/examples/nrf52840/src/bin/uart.rs
+++ b/examples/nrf52840/src/bin/uart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/uart_idle.rs b/examples/nrf52840/src/bin/uart_idle.rs
index e1f42fa6c..fa93bcf21 100644
--- a/examples/nrf52840/src/bin/uart_idle.rs
+++ b/examples/nrf52840/src/bin/uart_idle.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/uart_split.rs b/examples/nrf52840/src/bin/uart_split.rs
index b748bfcd8..c7510a9a8 100644
--- a/examples/nrf52840/src/bin/uart_split.rs
+++ b/examples/nrf52840/src/bin/uart_split.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/usb_ethernet.rs b/examples/nrf52840/src/bin/usb_ethernet.rs
index de661c019..3469c6e5f 100644
--- a/examples/nrf52840/src/bin/usb_ethernet.rs
+++ b/examples/nrf52840/src/bin/usb_ethernet.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/usb_hid_keyboard.rs b/examples/nrf52840/src/bin/usb_hid_keyboard.rs
index 7ccd2946a..45850b4a4 100644
--- a/examples/nrf52840/src/bin/usb_hid_keyboard.rs
+++ b/examples/nrf52840/src/bin/usb_hid_keyboard.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
 use core::sync::atomic::{AtomicBool, Ordering};
diff --git a/examples/nrf52840/src/bin/usb_hid_mouse.rs b/examples/nrf52840/src/bin/usb_hid_mouse.rs
index 96fcf8a66..04ad841b7 100644
--- a/examples/nrf52840/src/bin/usb_hid_mouse.rs
+++ b/examples/nrf52840/src/bin/usb_hid_mouse.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/usb_serial.rs b/examples/nrf52840/src/bin/usb_serial.rs
index dc95cde84..aff539b1b 100644
--- a/examples/nrf52840/src/bin/usb_serial.rs
+++ b/examples/nrf52840/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/usb_serial_multitask.rs b/examples/nrf52840/src/bin/usb_serial_multitask.rs
index 7a7bf962b..4e8118fb8 100644
--- a/examples/nrf52840/src/bin/usb_serial_multitask.rs
+++ b/examples/nrf52840/src/bin/usb_serial_multitask.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/usb_serial_winusb.rs b/examples/nrf52840/src/bin/usb_serial_winusb.rs
index 1d39d3841..060f9ba94 100644
--- a/examples/nrf52840/src/bin/usb_serial_winusb.rs
+++ b/examples/nrf52840/src/bin/usb_serial_winusb.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem;
diff --git a/examples/nrf52840/src/bin/wdt.rs b/examples/nrf52840/src/bin/wdt.rs
index 058746518..ede88cc26 100644
--- a/examples/nrf52840/src/bin/wdt.rs
+++ b/examples/nrf52840/src/bin/wdt.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/nrf52840/src/bin/wifi_esp_hosted.rs b/examples/nrf52840/src/bin/wifi_esp_hosted.rs
index b56c9bd8d..fc2086f75 100644
--- a/examples/nrf52840/src/bin/wifi_esp_hosted.rs
+++ b/examples/nrf52840/src/bin/wifi_esp_hosted.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap, warn};
 use embassy_executor::Spawner;
diff --git a/examples/nrf5340/Cargo.toml b/examples/nrf5340/Cargo.toml
index 17d3e30e4..fc0346f90 100644
--- a/examples/nrf5340/Cargo.toml
+++ b/examples/nrf5340/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["defmt", "nrf5340-app-s", "time-driver-rtc1", "gpiote", "unstable-pac"] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet"] }
@@ -17,7 +17,7 @@ embedded-io-async = { version = "0.6.1" }
 defmt = "0.3"
 defmt-rtt = "0.4"
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/nrf5340/src/bin/blinky.rs b/examples/nrf5340/src/bin/blinky.rs
index b784564a5..5c533c9b1 100644
--- a/examples/nrf5340/src/bin/blinky.rs
+++ b/examples/nrf5340/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
diff --git a/examples/nrf5340/src/bin/gpiote_channel.rs b/examples/nrf5340/src/bin/gpiote_channel.rs
index ceab1194a..c0a55142f 100644
--- a/examples/nrf5340/src/bin/gpiote_channel.rs
+++ b/examples/nrf5340/src/bin/gpiote_channel.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/nrf5340/src/bin/uart.rs b/examples/nrf5340/src/bin/uart.rs
index d68539702..7b41d7463 100644
--- a/examples/nrf5340/src/bin/uart.rs
+++ b/examples/nrf5340/src/bin/uart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/Cargo.toml b/examples/rp/Cargo.toml
index 521f17b82..07de83203 100644
--- a/examples/rp/Cargo.toml
+++ b/examples/rp/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal", features = ["defmt"] }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["defmt", "unstable-pac", "time-driver", "critical-section-impl"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
@@ -43,7 +43,7 @@ embedded-hal-async = "1.0.0-rc.3"
 embedded-hal-bus = { version = "0.1.0-rc.3", features = ["async"] }
 embedded-io-async = { version = "0.6.1", features = ["defmt-03"] }
 embedded-storage = { version = "0.3" }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 portable-atomic = { version = "1.5", features = ["critical-section"] }
 log = "0.4"
 pio-proc = "0.2"
diff --git a/examples/rp/src/bin/adc.rs b/examples/rp/src/bin/adc.rs
index a579be139..1bb7c2249 100644
--- a/examples/rp/src/bin/adc.rs
+++ b/examples/rp/src/bin/adc.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/blinky.rs b/examples/rp/src/bin/blinky.rs
index 66c8773fa..60fc45a70 100644
--- a/examples/rp/src/bin/blinky.rs
+++ b/examples/rp/src/bin/blinky.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/button.rs b/examples/rp/src/bin/button.rs
index a9f34ab5d..e9054fd48 100644
--- a/examples/rp/src/bin/button.rs
+++ b/examples/rp/src/bin/button.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_rp::gpio::{Input, Level, Output, Pull};
diff --git a/examples/rp/src/bin/ethernet_w5500_multisocket.rs b/examples/rp/src/bin/ethernet_w5500_multisocket.rs
index b9dba0f1d..a16ea0007 100644
--- a/examples/rp/src/bin/ethernet_w5500_multisocket.rs
+++ b/examples/rp/src/bin/ethernet_w5500_multisocket.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
index 36073f20b..975b3d385 100644
--- a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
+++ b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::str::FromStr;
diff --git a/examples/rp/src/bin/ethernet_w5500_tcp_server.rs b/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
index d523a8772..489af2c76 100644
--- a/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
+++ b/examples/rp/src/bin/ethernet_w5500_tcp_server.rs
@@ -5,7 +5,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/ethernet_w5500_udp.rs b/examples/rp/src/bin/ethernet_w5500_udp.rs
index 0cc47cb56..41bd7d077 100644
--- a/examples/rp/src/bin/ethernet_w5500_udp.rs
+++ b/examples/rp/src/bin/ethernet_w5500_udp.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/flash.rs b/examples/rp/src/bin/flash.rs
index 129a8497f..eb3e6a2b9 100644
--- a/examples/rp/src/bin/flash.rs
+++ b/examples/rp/src/bin/flash.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/gpio_async.rs b/examples/rp/src/bin/gpio_async.rs
index 98209fe41..b79fb2a15 100644
--- a/examples/rp/src/bin/gpio_async.rs
+++ b/examples/rp/src/bin/gpio_async.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/gpout.rs b/examples/rp/src/bin/gpout.rs
index 896cc15ee..011359253 100644
--- a/examples/rp/src/bin/gpout.rs
+++ b/examples/rp/src/bin/gpout.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/i2c_async.rs b/examples/rp/src/bin/i2c_async.rs
index 7b53aae72..e31cc894c 100644
--- a/examples/rp/src/bin/i2c_async.rs
+++ b/examples/rp/src/bin/i2c_async.rs
@@ -5,7 +5,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/i2c_blocking.rs b/examples/rp/src/bin/i2c_blocking.rs
index 9ddb48d69..c9c8a2760 100644
--- a/examples/rp/src/bin/i2c_blocking.rs
+++ b/examples/rp/src/bin/i2c_blocking.rs
@@ -5,7 +5,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/i2c_slave.rs b/examples/rp/src/bin/i2c_slave.rs
index 151b083a4..479f9a16a 100644
--- a/examples/rp/src/bin/i2c_slave.rs
+++ b/examples/rp/src/bin/i2c_slave.rs
@@ -1,7 +1,6 @@
 //! This example shows how to use the 2040 as an i2c slave.
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/multicore.rs b/examples/rp/src/bin/multicore.rs
index 43eaf8b0a..a1678d99a 100644
--- a/examples/rp/src/bin/multicore.rs
+++ b/examples/rp/src/bin/multicore.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Executor;
diff --git a/examples/rp/src/bin/multiprio.rs b/examples/rp/src/bin/multiprio.rs
index 28f621437..26b80c11d 100644
--- a/examples/rp/src/bin/multiprio.rs
+++ b/examples/rp/src/bin/multiprio.rs
@@ -55,7 +55,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
diff --git a/examples/rp/src/bin/pio_async.rs b/examples/rp/src/bin/pio_async.rs
index a6d6144be..ee248591b 100644
--- a/examples/rp/src/bin/pio_async.rs
+++ b/examples/rp/src/bin/pio_async.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
diff --git a/examples/rp/src/bin/pio_dma.rs b/examples/rp/src/bin/pio_dma.rs
index 86e5017ac..02700269c 100644
--- a/examples/rp/src/bin/pio_dma.rs
+++ b/examples/rp/src/bin/pio_dma.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
 use embassy_futures::join::join;
diff --git a/examples/rp/src/bin/pio_hd44780.rs b/examples/rp/src/bin/pio_hd44780.rs
index 5e5a6f9a3..3fab7b5f2 100644
--- a/examples/rp/src/bin/pio_hd44780.rs
+++ b/examples/rp/src/bin/pio_hd44780.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/rp/src/bin/pio_rotary_encoder.rs b/examples/rp/src/bin/pio_rotary_encoder.rs
index 6d9d59df6..58bdadbc0 100644
--- a/examples/rp/src/bin/pio_rotary_encoder.rs
+++ b/examples/rp/src/bin/pio_rotary_encoder.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/pio_stepper.rs b/examples/rp/src/bin/pio_stepper.rs
index 02fb20699..ab9ecf623 100644
--- a/examples/rp/src/bin/pio_stepper.rs
+++ b/examples/rp/src/bin/pio_stepper.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::mem::{self, MaybeUninit};
 use defmt::info;
diff --git a/examples/rp/src/bin/pio_uart.rs b/examples/rp/src/bin/pio_uart.rs
index c0ea23607..a07f1c180 100644
--- a/examples/rp/src/bin/pio_uart.rs
+++ b/examples/rp/src/bin/pio_uart.rs
@@ -8,7 +8,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #![allow(async_fn_in_trait)]
 use defmt::{info, panic, trace};
diff --git a/examples/rp/src/bin/pio_ws2812.rs b/examples/rp/src/bin/pio_ws2812.rs
index 7b3259538..9a97cb8a7 100644
--- a/examples/rp/src/bin/pio_ws2812.rs
+++ b/examples/rp/src/bin/pio_ws2812.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/pwm.rs b/examples/rp/src/bin/pwm.rs
index a99e88003..4fb62546d 100644
--- a/examples/rp/src/bin/pwm.rs
+++ b/examples/rp/src/bin/pwm.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/pwm_input.rs b/examples/rp/src/bin/pwm_input.rs
index 0fc2e40c3..e7bcbfbd4 100644
--- a/examples/rp/src/bin/pwm_input.rs
+++ b/examples/rp/src/bin/pwm_input.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/rosc.rs b/examples/rp/src/bin/rosc.rs
index f841043b6..942b72319 100644
--- a/examples/rp/src/bin/rosc.rs
+++ b/examples/rp/src/bin/rosc.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/rtc.rs b/examples/rp/src/bin/rtc.rs
index 667876db5..e9a5e43a8 100644
--- a/examples/rp/src/bin/rtc.rs
+++ b/examples/rp/src/bin/rtc.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/spi.rs b/examples/rp/src/bin/spi.rs
index 602348f7a..4cc4f5210 100644
--- a/examples/rp/src/bin/spi.rs
+++ b/examples/rp/src/bin/spi.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/spi_async.rs b/examples/rp/src/bin/spi_async.rs
index f5a2d334e..266584efc 100644
--- a/examples/rp/src/bin/spi_async.rs
+++ b/examples/rp/src/bin/spi_async.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/spi_display.rs b/examples/rp/src/bin/spi_display.rs
index 26c258e1c..e937b9d0a 100644
--- a/examples/rp/src/bin/spi_display.rs
+++ b/examples/rp/src/bin/spi_display.rs
@@ -5,7 +5,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::cell::RefCell;
diff --git a/examples/rp/src/bin/uart.rs b/examples/rp/src/bin/uart.rs
index 451c3c396..6a2816cd0 100644
--- a/examples/rp/src/bin/uart.rs
+++ b/examples/rp/src/bin/uart.rs
@@ -6,7 +6,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_rp::uart;
diff --git a/examples/rp/src/bin/uart_buffered_split.rs b/examples/rp/src/bin/uart_buffered_split.rs
index dc57d89c7..fac61aa04 100644
--- a/examples/rp/src/bin/uart_buffered_split.rs
+++ b/examples/rp/src/bin/uart_buffered_split.rs
@@ -6,7 +6,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/uart_unidir.rs b/examples/rp/src/bin/uart_unidir.rs
index 42c8b432e..a45f40756 100644
--- a/examples/rp/src/bin/uart_unidir.rs
+++ b/examples/rp/src/bin/uart_unidir.rs
@@ -7,7 +7,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/usb_ethernet.rs b/examples/rp/src/bin/usb_ethernet.rs
index 674b83f5d..01f0d5967 100644
--- a/examples/rp/src/bin/usb_ethernet.rs
+++ b/examples/rp/src/bin/usb_ethernet.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/usb_hid_keyboard.rs b/examples/rp/src/bin/usb_hid_keyboard.rs
index 569c9b12b..b5ac16245 100644
--- a/examples/rp/src/bin/usb_hid_keyboard.rs
+++ b/examples/rp/src/bin/usb_hid_keyboard.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::sync::atomic::{AtomicBool, Ordering};
diff --git a/examples/rp/src/bin/usb_logger.rs b/examples/rp/src/bin/usb_logger.rs
index 791f15e56..af401ed63 100644
--- a/examples/rp/src/bin/usb_logger.rs
+++ b/examples/rp/src/bin/usb_logger.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
diff --git a/examples/rp/src/bin/usb_midi.rs b/examples/rp/src/bin/usb_midi.rs
index d5cdae319..95306a35c 100644
--- a/examples/rp/src/bin/usb_midi.rs
+++ b/examples/rp/src/bin/usb_midi.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, panic};
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/usb_raw.rs b/examples/rp/src/bin/usb_raw.rs
index f59262e5c..a6c8a5b2e 100644
--- a/examples/rp/src/bin/usb_raw.rs
+++ b/examples/rp/src/bin/usb_raw.rs
@@ -48,7 +48,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/usb_raw_bulk.rs b/examples/rp/src/bin/usb_raw_bulk.rs
index 288be5a4e..0dc8e9f72 100644
--- a/examples/rp/src/bin/usb_raw_bulk.rs
+++ b/examples/rp/src/bin/usb_raw_bulk.rs
@@ -26,7 +26,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/usb_serial.rs b/examples/rp/src/bin/usb_serial.rs
index 30347d920..ab24a994c 100644
--- a/examples/rp/src/bin/usb_serial.rs
+++ b/examples/rp/src/bin/usb_serial.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, panic};
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/watchdog.rs b/examples/rp/src/bin/watchdog.rs
index b6af518af..b9d4ef22f 100644
--- a/examples/rp/src/bin/watchdog.rs
+++ b/examples/rp/src/bin/watchdog.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/rp/src/bin/wifi_ap_tcp_server.rs b/examples/rp/src/bin/wifi_ap_tcp_server.rs
index 20b8aad15..1bd75607e 100644
--- a/examples/rp/src/bin/wifi_ap_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_ap_tcp_server.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #![allow(async_fn_in_trait)]
 use core::str::from_utf8;
diff --git a/examples/rp/src/bin/wifi_blinky.rs b/examples/rp/src/bin/wifi_blinky.rs
index b89447b7d..1ed74993c 100644
--- a/examples/rp/src/bin/wifi_blinky.rs
+++ b/examples/rp/src/bin/wifi_blinky.rs
@@ -4,7 +4,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cyw43_pio::PioSpi;
 use defmt::*;
diff --git a/examples/rp/src/bin/wifi_scan.rs b/examples/rp/src/bin/wifi_scan.rs
index 0f7ad27dd..45bb5b76c 100644
--- a/examples/rp/src/bin/wifi_scan.rs
+++ b/examples/rp/src/bin/wifi_scan.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #![allow(async_fn_in_trait)]
 use core::str;
diff --git a/examples/rp/src/bin/wifi_tcp_server.rs b/examples/rp/src/bin/wifi_tcp_server.rs
index f6cc48d8f..c346f1ded 100644
--- a/examples/rp/src/bin/wifi_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_tcp_server.rs
@@ -3,7 +3,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #![allow(async_fn_in_trait)]
 use core::str::from_utf8;
diff --git a/examples/std/Cargo.toml b/examples/std/Cargo.toml
index ccc0a4afc..a4f306865 100644
--- a/examples/std/Cargo.toml
+++ b/examples/std/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["log"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-std", "executor-thread", "log", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-std", "executor-thread", "log", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["log", "std", ] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features=[ "std",  "log", "medium-ethernet", "medium-ip", "tcp", "udp", "dns", "dhcpv4", "proto-ipv6"] }
 embassy-net-tuntap = { version = "0.1.0", path = "../../embassy-net-tuntap" }
@@ -23,7 +23,7 @@ nix = "0.26.2"
 clap = { version = "3.0.0-beta.5", features = ["derive"] }
 rand_core = { version = "0.6.3", features = ["std"] }
 heapless = { version = "0.8", default-features = false }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 [profile.release]
 debug = 2
diff --git a/examples/std/src/bin/net.rs b/examples/std/src/bin/net.rs
index c62a38d07..dad93d0a1 100644
--- a/examples/std/src/bin/net.rs
+++ b/examples/std/src/bin/net.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
 use std::default::Default;
 use clap::Parser;
diff --git a/examples/std/src/bin/net_dns.rs b/examples/std/src/bin/net_dns.rs
index e1e015bc8..fca1e076e 100644
--- a/examples/std/src/bin/net_dns.rs
+++ b/examples/std/src/bin/net_dns.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
 use std::default::Default;
 use clap::Parser;
diff --git a/examples/std/src/bin/net_ppp.rs b/examples/std/src/bin/net_ppp.rs
index 8c80c4beb..9ec0ea91f 100644
--- a/examples/std/src/bin/net_ppp.rs
+++ b/examples/std/src/bin/net_ppp.rs
@@ -7,7 +7,6 @@
 //!     ping 192.168.7.10
 //!     nc 192.168.7.10 1234
-#![feature(type_alias_impl_trait)]
 #![allow(async_fn_in_trait)]
 #[path = "../serial_port.rs"]
diff --git a/examples/std/src/bin/net_udp.rs b/examples/std/src/bin/net_udp.rs
index ac99ec626..bee91990d 100644
--- a/examples/std/src/bin/net_udp.rs
+++ b/examples/std/src/bin/net_udp.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
 use clap::Parser;
 use embassy_executor::{Executor, Spawner};
 use embassy_net::udp::{PacketMetadata, UdpSocket};
diff --git a/examples/std/src/bin/serial.rs b/examples/std/src/bin/serial.rs
index 0b289c74d..435089aad 100644
--- a/examples/std/src/bin/serial.rs
+++ b/examples/std/src/bin/serial.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
 #[path = "../serial_port.rs"]
 mod serial_port;
diff --git a/examples/std/src/bin/tcp_accept.rs b/examples/std/src/bin/tcp_accept.rs
index 54ef0156b..00ccd83a7 100644
--- a/examples/std/src/bin/tcp_accept.rs
+++ b/examples/std/src/bin/tcp_accept.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write as _;
 use std::default::Default;
diff --git a/examples/std/src/bin/tick.rs b/examples/std/src/bin/tick.rs
index a3f99067e..f23cf3549 100644
--- a/examples/std/src/bin/tick.rs
+++ b/examples/std/src/bin/tick.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_time::Timer;
 use log::*;
diff --git a/examples/stm32c0/Cargo.toml b/examples/stm32c0/Cargo.toml
index 2d831ba5d..0fd3939c6 100644
--- a/examples/stm32c0/Cargo.toml
+++ b/examples/stm32c0/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32c031c6 to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "time-driver-any", "stm32c031c6", "memory-x", "unstable-pac", "exti"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 defmt = "0.3"
diff --git a/examples/stm32c0/src/bin/blinky.rs b/examples/stm32c0/src/bin/blinky.rs
index cbeb0dee1..90e479aae 100644
--- a/examples/stm32c0/src/bin/blinky.rs
+++ b/examples/stm32c0/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32c0/src/bin/button.rs b/examples/stm32c0/src/bin/button.rs
index 40c58013b..265200132 100644
--- a/examples/stm32c0/src/bin/button.rs
+++ b/examples/stm32c0/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32c0/src/bin/button_exti.rs b/examples/stm32c0/src/bin/button_exti.rs
index ef32d4c4a..1e970fdd6 100644
--- a/examples/stm32c0/src/bin/button_exti.rs
+++ b/examples/stm32c0/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f0/Cargo.toml b/examples/stm32f0/Cargo.toml
index 2b066d731..9fdc4798a 100644
--- a/examples/stm32f0/Cargo.toml
+++ b/examples/stm32f0/Cargo.toml
@@ -15,9 +15,9 @@ defmt = "0.3"
 defmt-rtt = "0.4"
 panic-probe = "0.3"
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 portable-atomic = { version = "1.5", features = ["unsafe-assume-single-core"] }
 [profile.release]
diff --git a/examples/stm32f0/src/bin/adc.rs b/examples/stm32f0/src/bin/adc.rs
index 96f234402..8fef062b3 100644
--- a/examples/stm32f0/src/bin/adc.rs
+++ b/examples/stm32f0/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f0/src/bin/blinky.rs b/examples/stm32f0/src/bin/blinky.rs
index 899394546..2572be1bc 100644
--- a/examples/stm32f0/src/bin/blinky.rs
+++ b/examples/stm32f0/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f0/src/bin/button_controlled_blink.rs b/examples/stm32f0/src/bin/button_controlled_blink.rs
index 306df1752..360d153c3 100644
--- a/examples/stm32f0/src/bin/button_controlled_blink.rs
+++ b/examples/stm32f0/src/bin/button_controlled_blink.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::sync::atomic::{AtomicU32, Ordering};
diff --git a/examples/stm32f0/src/bin/button_exti.rs b/examples/stm32f0/src/bin/button_exti.rs
index 40c0d5848..ce17c1a48 100644
--- a/examples/stm32f0/src/bin/button_exti.rs
+++ b/examples/stm32f0/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f0/src/bin/hello.rs b/examples/stm32f0/src/bin/hello.rs
index 0f98d9865..ccd6a0a39 100644
--- a/examples/stm32f0/src/bin/hello.rs
+++ b/examples/stm32f0/src/bin/hello.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f0/src/bin/multiprio.rs b/examples/stm32f0/src/bin/multiprio.rs
index 870c7c45b..e49951726 100644
--- a/examples/stm32f0/src/bin/multiprio.rs
+++ b/examples/stm32f0/src/bin/multiprio.rs
@@ -55,7 +55,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f0/src/bin/wdg.rs b/examples/stm32f0/src/bin/wdg.rs
index b51dee8ee..b974bff91 100644
--- a/examples/stm32f0/src/bin/wdg.rs
+++ b/examples/stm32f0/src/bin/wdg.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index f04d41317..c933a4368 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32f103c8 to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any" ]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
diff --git a/examples/stm32f1/src/bin/adc.rs b/examples/stm32f1/src/bin/adc.rs
index 1edac3d83..1440460a9 100644
--- a/examples/stm32f1/src/bin/adc.rs
+++ b/examples/stm32f1/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f1/src/bin/blinky.rs b/examples/stm32f1/src/bin/blinky.rs
index 3425b0536..cc43f85f4 100644
--- a/examples/stm32f1/src/bin/blinky.rs
+++ b/examples/stm32f1/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f1/src/bin/can.rs b/examples/stm32f1/src/bin/can.rs
index a5ce819d4..c1c4f8359 100644
--- a/examples/stm32f1/src/bin/can.rs
+++ b/examples/stm32f1/src/bin/can.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f1/src/bin/hello.rs b/examples/stm32f1/src/bin/hello.rs
index e63bcaae0..7b761ecc1 100644
--- a/examples/stm32f1/src/bin/hello.rs
+++ b/examples/stm32f1/src/bin/hello.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f1/src/bin/usb_serial.rs b/examples/stm32f1/src/bin/usb_serial.rs
index 31519555f..e28381893 100644
--- a/examples/stm32f1/src/bin/usb_serial.rs
+++ b/examples/stm32f1/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32f2/Cargo.toml b/examples/stm32f2/Cargo.toml
index 66cc1e15b..eaaadeec5 100644
--- a/examples/stm32f2/Cargo.toml
+++ b/examples/stm32f2/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32f207zg to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32f207zg", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 defmt = "0.3"
diff --git a/examples/stm32f2/src/bin/blinky.rs b/examples/stm32f2/src/bin/blinky.rs
index f6d7a0005..d9833ba8b 100644
--- a/examples/stm32f2/src/bin/blinky.rs
+++ b/examples/stm32f2/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f2/src/bin/pll.rs b/examples/stm32f2/src/bin/pll.rs
index aae7637dc..e32f283d1 100644
--- a/examples/stm32f2/src/bin/pll.rs
+++ b/examples/stm32f2/src/bin/pll.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::convert::TryFrom;
diff --git a/examples/stm32f3/Cargo.toml b/examples/stm32f3/Cargo.toml
index ed1367858..d5ab0b25a 100644
--- a/examples/stm32f3/Cargo.toml
+++ b/examples/stm32f3/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32f303ze to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32f303ze", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
@@ -24,7 +24,7 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
 heapless = { version = "0.8", default-features = false }
 nb = "1.0.0"
 embedded-storage = "0.3.1"
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 [profile.release]
 debug = 2
diff --git a/examples/stm32f3/src/bin/blinky.rs b/examples/stm32f3/src/bin/blinky.rs
index e71031b30..0ea10522d 100644
--- a/examples/stm32f3/src/bin/blinky.rs
+++ b/examples/stm32f3/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f3/src/bin/button.rs b/examples/stm32f3/src/bin/button.rs
index 2f47d8f80..2cd356787 100644
--- a/examples/stm32f3/src/bin/button.rs
+++ b/examples/stm32f3/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f3/src/bin/button_events.rs b/examples/stm32f3/src/bin/button_events.rs
index 9df6d680d..2f7da4ef5 100644
--- a/examples/stm32f3/src/bin/button_events.rs
+++ b/examples/stm32f3/src/bin/button_events.rs
@@ -8,7 +8,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f3/src/bin/button_exti.rs b/examples/stm32f3/src/bin/button_exti.rs
index 1266778c1..86ff68492 100644
--- a/examples/stm32f3/src/bin/button_exti.rs
+++ b/examples/stm32f3/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f3/src/bin/flash.rs b/examples/stm32f3/src/bin/flash.rs
index 236fb36c1..28125697d 100644
--- a/examples/stm32f3/src/bin/flash.rs
+++ b/examples/stm32f3/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32f3/src/bin/hello.rs b/examples/stm32f3/src/bin/hello.rs
index b3285f3c1..fd54da53d 100644
--- a/examples/stm32f3/src/bin/hello.rs
+++ b/examples/stm32f3/src/bin/hello.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f3/src/bin/multiprio.rs b/examples/stm32f3/src/bin/multiprio.rs
index 74f3bb1c5..328447210 100644
--- a/examples/stm32f3/src/bin/multiprio.rs
+++ b/examples/stm32f3/src/bin/multiprio.rs
@@ -55,7 +55,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f3/src/bin/spi_dma.rs b/examples/stm32f3/src/bin/spi_dma.rs
index a27c1d547..54498d53d 100644
--- a/examples/stm32f3/src/bin/spi_dma.rs
+++ b/examples/stm32f3/src/bin/spi_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
 use core::str::from_utf8;
diff --git a/examples/stm32f3/src/bin/usart_dma.rs b/examples/stm32f3/src/bin/usart_dma.rs
index ce8c212ae..5234e53b9 100644
--- a/examples/stm32f3/src/bin/usart_dma.rs
+++ b/examples/stm32f3/src/bin/usart_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/stm32f3/src/bin/usb_serial.rs b/examples/stm32f3/src/bin/usb_serial.rs
index d5d068d62..cf9ecedfa 100644
--- a/examples/stm32f3/src/bin/usb_serial.rs
+++ b/examples/stm32f3/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32f334/Cargo.toml b/examples/stm32f334/Cargo.toml
index 320cf7d7b..b29a08e7c 100644
--- a/examples/stm32f334/Cargo.toml
+++ b/examples/stm32f334/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32f334r8", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
@@ -23,4 +23,4 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
 heapless = { version = "0.8", default-features = false }
 nb = "1.0.0"
 embedded-storage = "0.3.1"
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
diff --git a/examples/stm32f334/src/bin/adc.rs b/examples/stm32f334/src/bin/adc.rs
index f259135d2..063ee9dac 100644
--- a/examples/stm32f334/src/bin/adc.rs
+++ b/examples/stm32f334/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f334/src/bin/button.rs b/examples/stm32f334/src/bin/button.rs
index 501fb080c..256f9a44a 100644
--- a/examples/stm32f334/src/bin/button.rs
+++ b/examples/stm32f334/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f334/src/bin/hello.rs b/examples/stm32f334/src/bin/hello.rs
index b3285f3c1..fd54da53d 100644
--- a/examples/stm32f334/src/bin/hello.rs
+++ b/examples/stm32f334/src/bin/hello.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f334/src/bin/opamp.rs b/examples/stm32f334/src/bin/opamp.rs
index 10e7b3543..850a0e335 100644
--- a/examples/stm32f334/src/bin/opamp.rs
+++ b/examples/stm32f334/src/bin/opamp.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f334/src/bin/pwm.rs b/examples/stm32f334/src/bin/pwm.rs
index 8040c3f18..c149cad92 100644
--- a/examples/stm32f334/src/bin/pwm.rs
+++ b/examples/stm32f334/src/bin/pwm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index e24fbee82..a74e0f674 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32f429zi to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti", "chrono"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt" ] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet", ] }
@@ -27,7 +27,7 @@ heapless = { version = "0.8", default-features = false }
 nb = "1.0.0"
 embedded-storage = "0.3.1"
 micromath = "2.0.0"
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 chrono = { version = "^0.4", default-features = false}
 [profile.release]
diff --git a/examples/stm32f4/src/bin/adc.rs b/examples/stm32f4/src/bin/adc.rs
index f19328727..699c29c05 100644
--- a/examples/stm32f4/src/bin/adc.rs
+++ b/examples/stm32f4/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m::prelude::_embedded_hal_blocking_delay_DelayUs;
 use defmt::*;
diff --git a/examples/stm32f4/src/bin/blinky.rs b/examples/stm32f4/src/bin/blinky.rs
index 4bfc5a50d..31cce8225 100644
--- a/examples/stm32f4/src/bin/blinky.rs
+++ b/examples/stm32f4/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/button.rs b/examples/stm32f4/src/bin/button.rs
index aa1eed46f..ad30a56a2 100644
--- a/examples/stm32f4/src/bin/button.rs
+++ b/examples/stm32f4/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f4/src/bin/button_exti.rs b/examples/stm32f4/src/bin/button_exti.rs
index dfe587d41..67751187d 100644
--- a/examples/stm32f4/src/bin/button_exti.rs
+++ b/examples/stm32f4/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/can.rs b/examples/stm32f4/src/bin/can.rs
index 20ce4edce..d074b4265 100644
--- a/examples/stm32f4/src/bin/can.rs
+++ b/examples/stm32f4/src/bin/can.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/dac.rs b/examples/stm32f4/src/bin/dac.rs
index 8f14d6078..9c7754c4f 100644
--- a/examples/stm32f4/src/bin/dac.rs
+++ b/examples/stm32f4/src/bin/dac.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/eth.rs b/examples/stm32f4/src/bin/eth.rs
index 17a14aac4..7f5c8fdb1 100644
--- a/examples/stm32f4/src/bin/eth.rs
+++ b/examples/stm32f4/src/bin/eth.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/flash.rs b/examples/stm32f4/src/bin/flash.rs
index 56a35ddee..1e8cabab4 100644
--- a/examples/stm32f4/src/bin/flash.rs
+++ b/examples/stm32f4/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/flash_async.rs b/examples/stm32f4/src/bin/flash_async.rs
index 1624d842e..493a536f3 100644
--- a/examples/stm32f4/src/bin/flash_async.rs
+++ b/examples/stm32f4/src/bin/flash_async.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/hello.rs b/examples/stm32f4/src/bin/hello.rs
index a2a287110..3c295612c 100644
--- a/examples/stm32f4/src/bin/hello.rs
+++ b/examples/stm32f4/src/bin/hello.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/i2c.rs b/examples/stm32f4/src/bin/i2c.rs
index 4f4adde28..4b5da774d 100644
--- a/examples/stm32f4/src/bin/i2c.rs
+++ b/examples/stm32f4/src/bin/i2c.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/i2c_async.rs b/examples/stm32f4/src/bin/i2c_async.rs
index 9f59e4d41..90d11d4b4 100644
--- a/examples/stm32f4/src/bin/i2c_async.rs
+++ b/examples/stm32f4/src/bin/i2c_async.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 // Example originally designed for stm32f411ceu6 reading an A1454 hall effect sensor on I2C1
 // DMA peripherals changed to compile for stm32f429zi, for the CI.
diff --git a/examples/stm32f4/src/bin/i2c_comparison.rs b/examples/stm32f4/src/bin/i2c_comparison.rs
index 6d23c0ed8..30cfbdf57 100644
--- a/examples/stm32f4/src/bin/i2c_comparison.rs
+++ b/examples/stm32f4/src/bin/i2c_comparison.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 // Example originally designed for stm32f411ceu6 with three A1454 hall effect sensors, connected to I2C1, 2 and 3
 // on the pins referenced in the peripheral definitions.
diff --git a/examples/stm32f4/src/bin/i2s_dma.rs b/examples/stm32f4/src/bin/i2s_dma.rs
index e8d7b5f77..97a04b2aa 100644
--- a/examples/stm32f4/src/bin/i2s_dma.rs
+++ b/examples/stm32f4/src/bin/i2s_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/stm32f4/src/bin/mco.rs b/examples/stm32f4/src/bin/mco.rs
index 3315e7652..eb7bb6261 100644
--- a/examples/stm32f4/src/bin/mco.rs
+++ b/examples/stm32f4/src/bin/mco.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/multiprio.rs b/examples/stm32f4/src/bin/multiprio.rs
index 74f3bb1c5..328447210 100644
--- a/examples/stm32f4/src/bin/multiprio.rs
+++ b/examples/stm32f4/src/bin/multiprio.rs
@@ -55,7 +55,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f4/src/bin/pwm.rs b/examples/stm32f4/src/bin/pwm.rs
index 8e41d0e78..8844a9f0e 100644
--- a/examples/stm32f4/src/bin/pwm.rs
+++ b/examples/stm32f4/src/bin/pwm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/pwm_complementary.rs b/examples/stm32f4/src/bin/pwm_complementary.rs
index d925f26d9..161f43c48 100644
--- a/examples/stm32f4/src/bin/pwm_complementary.rs
+++ b/examples/stm32f4/src/bin/pwm_complementary.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/rtc.rs b/examples/stm32f4/src/bin/rtc.rs
index 44b4303c0..abab07b6b 100644
--- a/examples/stm32f4/src/bin/rtc.rs
+++ b/examples/stm32f4/src/bin/rtc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use chrono::{NaiveDate, NaiveDateTime};
 use defmt::*;
diff --git a/examples/stm32f4/src/bin/sdmmc.rs b/examples/stm32f4/src/bin/sdmmc.rs
index 91747b2d5..66e4e527c 100644
--- a/examples/stm32f4/src/bin/sdmmc.rs
+++ b/examples/stm32f4/src/bin/sdmmc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/spi.rs b/examples/stm32f4/src/bin/spi.rs
index 0919e9874..dc9141c62 100644
--- a/examples/stm32f4/src/bin/spi.rs
+++ b/examples/stm32f4/src/bin/spi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f4/src/bin/spi_dma.rs b/examples/stm32f4/src/bin/spi_dma.rs
index f291f7dba..7249c831a 100644
--- a/examples/stm32f4/src/bin/spi_dma.rs
+++ b/examples/stm32f4/src/bin/spi_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
 use core::str::from_utf8;
diff --git a/examples/stm32f4/src/bin/usart.rs b/examples/stm32f4/src/bin/usart.rs
index 45e94715f..40d9d70f1 100644
--- a/examples/stm32f4/src/bin/usart.rs
+++ b/examples/stm32f4/src/bin/usart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f4/src/bin/usart_buffered.rs b/examples/stm32f4/src/bin/usart_buffered.rs
index 71abc2893..c99807f11 100644
--- a/examples/stm32f4/src/bin/usart_buffered.rs
+++ b/examples/stm32f4/src/bin/usart_buffered.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/usart_dma.rs b/examples/stm32f4/src/bin/usart_dma.rs
index dca25a78c..dd6de599c 100644
--- a/examples/stm32f4/src/bin/usart_dma.rs
+++ b/examples/stm32f4/src/bin/usart_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/stm32f4/src/bin/usb_ethernet.rs b/examples/stm32f4/src/bin/usb_ethernet.rs
index 57ee35e97..a196259a8 100644
--- a/examples/stm32f4/src/bin/usb_ethernet.rs
+++ b/examples/stm32f4/src/bin/usb_ethernet.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/usb_raw.rs b/examples/stm32f4/src/bin/usb_raw.rs
index 719b22bb9..afff55187 100644
--- a/examples/stm32f4/src/bin/usb_raw.rs
+++ b/examples/stm32f4/src/bin/usb_raw.rs
@@ -48,7 +48,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/usb_serial.rs b/examples/stm32f4/src/bin/usb_serial.rs
index e2ccc9142..58d994a61 100644
--- a/examples/stm32f4/src/bin/usb_serial.rs
+++ b/examples/stm32f4/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/wdt.rs b/examples/stm32f4/src/bin/wdt.rs
index 0443b61c5..ea27ebce0 100644
--- a/examples/stm32f4/src/bin/wdt.rs
+++ b/examples/stm32f4/src/bin/wdt.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f4/src/bin/ws2812_pwm_dma.rs b/examples/stm32f4/src/bin/ws2812_pwm_dma.rs
index 39f5d3421..9835c07e4 100644
--- a/examples/stm32f4/src/bin/ws2812_pwm_dma.rs
+++ b/examples/stm32f4/src/bin/ws2812_pwm_dma.rs
@@ -8,7 +8,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::OutputType;
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index 4cca0d93c..b76a848a8 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32f767zi to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32f767zi", "memory-x", "unstable-pac", "time-driver-any", "exti"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet"] }
 embedded-io-async = { version = "0.6.1" }
@@ -27,7 +27,7 @@ nb = "1.0.0"
 rand_core = "0.6.3"
 critical-section = "1.1"
 embedded-storage = "0.3.1"
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 [profile.release]
 debug = 2
diff --git a/examples/stm32f7/src/bin/adc.rs b/examples/stm32f7/src/bin/adc.rs
index 48c59eaf0..f8d7b691f 100644
--- a/examples/stm32f7/src/bin/adc.rs
+++ b/examples/stm32f7/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/blinky.rs b/examples/stm32f7/src/bin/blinky.rs
index 4bfc5a50d..31cce8225 100644
--- a/examples/stm32f7/src/bin/blinky.rs
+++ b/examples/stm32f7/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/button.rs b/examples/stm32f7/src/bin/button.rs
index aa1eed46f..ad30a56a2 100644
--- a/examples/stm32f7/src/bin/button.rs
+++ b/examples/stm32f7/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32f7/src/bin/button_exti.rs b/examples/stm32f7/src/bin/button_exti.rs
index dfe587d41..67751187d 100644
--- a/examples/stm32f7/src/bin/button_exti.rs
+++ b/examples/stm32f7/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/can.rs b/examples/stm32f7/src/bin/can.rs
index 06cd1ac7e..bcfdb67a8 100644
--- a/examples/stm32f7/src/bin/can.rs
+++ b/examples/stm32f7/src/bin/can.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index 86c709852..5bff48197 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/flash.rs b/examples/stm32f7/src/bin/flash.rs
index 06a94f1c8..885570478 100644
--- a/examples/stm32f7/src/bin/flash.rs
+++ b/examples/stm32f7/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/hello.rs b/examples/stm32f7/src/bin/hello.rs
index a2a287110..3c295612c 100644
--- a/examples/stm32f7/src/bin/hello.rs
+++ b/examples/stm32f7/src/bin/hello.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::info;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/sdmmc.rs b/examples/stm32f7/src/bin/sdmmc.rs
index 990de0ab1..6d36ef518 100644
--- a/examples/stm32f7/src/bin/sdmmc.rs
+++ b/examples/stm32f7/src/bin/sdmmc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32f7/src/bin/usart_dma.rs b/examples/stm32f7/src/bin/usart_dma.rs
index ba064081e..fb604b34f 100644
--- a/examples/stm32f7/src/bin/usart_dma.rs
+++ b/examples/stm32f7/src/bin/usart_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/stm32f7/src/bin/usb_serial.rs b/examples/stm32f7/src/bin/usb_serial.rs
index 4991edbf0..97daf6bd1 100644
--- a/examples/stm32f7/src/bin/usb_serial.rs
+++ b/examples/stm32f7/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32g0/Cargo.toml b/examples/stm32g0/Cargo.toml
index b1e749440..0abc0a638 100644
--- a/examples/stm32g0/Cargo.toml
+++ b/examples/stm32g0/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32g071rb to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "time-driver-any", "stm32g071rb", "memory-x", "unstable-pac", "exti"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 defmt = "0.3"
diff --git a/examples/stm32g0/src/bin/blinky.rs b/examples/stm32g0/src/bin/blinky.rs
index 4bfc5a50d..31cce8225 100644
--- a/examples/stm32g0/src/bin/blinky.rs
+++ b/examples/stm32g0/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g0/src/bin/button.rs b/examples/stm32g0/src/bin/button.rs
index 40c58013b..265200132 100644
--- a/examples/stm32g0/src/bin/button.rs
+++ b/examples/stm32g0/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32g0/src/bin/button_exti.rs b/examples/stm32g0/src/bin/button_exti.rs
index ef32d4c4a..1e970fdd6 100644
--- a/examples/stm32g0/src/bin/button_exti.rs
+++ b/examples/stm32g0/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g0/src/bin/flash.rs b/examples/stm32g0/src/bin/flash.rs
index ed9f2e843..acef87b92 100644
--- a/examples/stm32g0/src/bin/flash.rs
+++ b/examples/stm32g0/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g0/src/bin/spi_neopixel.rs b/examples/stm32g0/src/bin/spi_neopixel.rs
index 214462d0e..c5ea51721 100644
--- a/examples/stm32g0/src/bin/spi_neopixel.rs
+++ b/examples/stm32g0/src/bin/spi_neopixel.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g4/Cargo.toml b/examples/stm32g4/Cargo.toml
index c56a63623..987f23b3a 100644
--- a/examples/stm32g4/Cargo.toml
+++ b/examples/stm32g4/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32g491re to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "time-driver-any", "stm32g491re", "memory-x", "unstable-pac", "exti"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
diff --git a/examples/stm32g4/src/bin/adc.rs b/examples/stm32g4/src/bin/adc.rs
index 63b20c0d4..35324d931 100644
--- a/examples/stm32g4/src/bin/adc.rs
+++ b/examples/stm32g4/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g4/src/bin/blinky.rs b/examples/stm32g4/src/bin/blinky.rs
index cbeb0dee1..90e479aae 100644
--- a/examples/stm32g4/src/bin/blinky.rs
+++ b/examples/stm32g4/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g4/src/bin/button.rs b/examples/stm32g4/src/bin/button.rs
index 127efb08a..6f3db0819 100644
--- a/examples/stm32g4/src/bin/button.rs
+++ b/examples/stm32g4/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32g4/src/bin/button_exti.rs b/examples/stm32g4/src/bin/button_exti.rs
index dfe587d41..67751187d 100644
--- a/examples/stm32g4/src/bin/button_exti.rs
+++ b/examples/stm32g4/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g4/src/bin/pll.rs b/examples/stm32g4/src/bin/pll.rs
index 09ef59d44..46ebe0b0d 100644
--- a/examples/stm32g4/src/bin/pll.rs
+++ b/examples/stm32g4/src/bin/pll.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g4/src/bin/pwm.rs b/examples/stm32g4/src/bin/pwm.rs
index a84394005..d4809a481 100644
--- a/examples/stm32g4/src/bin/pwm.rs
+++ b/examples/stm32g4/src/bin/pwm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32g4/src/bin/usb_serial.rs b/examples/stm32g4/src/bin/usb_serial.rs
index 565b25d60..c26fa76b7 100644
--- a/examples/stm32g4/src/bin/usb_serial.rs
+++ b/examples/stm32g4/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32h5/Cargo.toml b/examples/stm32h5/Cargo.toml
index f714a3984..8815b8e47 100644
--- a/examples/stm32h5/Cargo.toml
+++ b/examples/stm32h5/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32h563zi to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32h563zi", "memory-x", "time-driver-any", "exti", "unstable-pac"] }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet", "proto-ipv6"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
@@ -31,7 +31,7 @@ critical-section = "1.1"
 micromath = "2.0.0"
 stm32-fmc = "0.3.0"
 embedded-storage = "0.3.1"
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 # cargo build/run
 [profile.dev]
diff --git a/examples/stm32h5/src/bin/blinky.rs b/examples/stm32h5/src/bin/blinky.rs
index 1394f03fa..f37e8b1d8 100644
--- a/examples/stm32h5/src/bin/blinky.rs
+++ b/examples/stm32h5/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h5/src/bin/button_exti.rs b/examples/stm32h5/src/bin/button_exti.rs
index dfe587d41..67751187d 100644
--- a/examples/stm32h5/src/bin/button_exti.rs
+++ b/examples/stm32h5/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h5/src/bin/eth.rs b/examples/stm32h5/src/bin/eth.rs
index 8789e4e0b..2370656e6 100644
--- a/examples/stm32h5/src/bin/eth.rs
+++ b/examples/stm32h5/src/bin/eth.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h5/src/bin/i2c.rs b/examples/stm32h5/src/bin/i2c.rs
index 31783a2bf..31e83cbb5 100644
--- a/examples/stm32h5/src/bin/i2c.rs
+++ b/examples/stm32h5/src/bin/i2c.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h5/src/bin/rng.rs b/examples/stm32h5/src/bin/rng.rs
index 7c8c50eca..9c0d704b5 100644
--- a/examples/stm32h5/src/bin/rng.rs
+++ b/examples/stm32h5/src/bin/rng.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h5/src/bin/usart.rs b/examples/stm32h5/src/bin/usart.rs
index db04d4e55..f9cbad6af 100644
--- a/examples/stm32h5/src/bin/usart.rs
+++ b/examples/stm32h5/src/bin/usart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32h5/src/bin/usart_dma.rs b/examples/stm32h5/src/bin/usart_dma.rs
index bafe50839..caae0dd18 100644
--- a/examples/stm32h5/src/bin/usart_dma.rs
+++ b/examples/stm32h5/src/bin/usart_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/stm32h5/src/bin/usart_split.rs b/examples/stm32h5/src/bin/usart_split.rs
index d9037c014..92047de8d 100644
--- a/examples/stm32h5/src/bin/usart_split.rs
+++ b/examples/stm32h5/src/bin/usart_split.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h5/src/bin/usb_serial.rs b/examples/stm32h5/src/bin/usb_serial.rs
index 7d45818af..208493d8c 100644
--- a/examples/stm32h5/src/bin/usb_serial.rs
+++ b/examples/stm32h5/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index c6aea3e11..31feeda45 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32h743bi to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32h743bi", "time-driver-any", "exti", "memory-x", "unstable-pac", "chrono"] }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet", "proto-ipv6", "dns"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
@@ -31,7 +31,7 @@ critical-section = "1.1"
 micromath = "2.0.0"
 stm32-fmc = "0.3.0"
 embedded-storage = "0.3.1"
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 chrono = { version = "^0.4", default-features = false }
 # cargo build/run
diff --git a/examples/stm32h7/src/bin/adc.rs b/examples/stm32h7/src/bin/adc.rs
index e367827e9..fe6fe69a1 100644
--- a/examples/stm32h7/src/bin/adc.rs
+++ b/examples/stm32h7/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/blinky.rs b/examples/stm32h7/src/bin/blinky.rs
index a9cab1ff4..1ee90a870 100644
--- a/examples/stm32h7/src/bin/blinky.rs
+++ b/examples/stm32h7/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/button_exti.rs b/examples/stm32h7/src/bin/button_exti.rs
index dfe587d41..67751187d 100644
--- a/examples/stm32h7/src/bin/button_exti.rs
+++ b/examples/stm32h7/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/camera.rs b/examples/stm32h7/src/bin/camera.rs
index 489fb03dd..e5a104baf 100644
--- a/examples/stm32h7/src/bin/camera.rs
+++ b/examples/stm32h7/src/bin/camera.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_stm32::dcmi::{self, *};
diff --git a/examples/stm32h7/src/bin/dac.rs b/examples/stm32h7/src/bin/dac.rs
index f66268151..a9bf46de0 100644
--- a/examples/stm32h7/src/bin/dac.rs
+++ b/examples/stm32h7/src/bin/dac.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32h7/src/bin/dac_dma.rs b/examples/stm32h7/src/bin/dac_dma.rs
index c19fdd623..1481dd967 100644
--- a/examples/stm32h7/src/bin/dac_dma.rs
+++ b/examples/stm32h7/src/bin/dac_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/eth.rs b/examples/stm32h7/src/bin/eth.rs
index a64b3253a..cd9a27fcd 100644
--- a/examples/stm32h7/src/bin/eth.rs
+++ b/examples/stm32h7/src/bin/eth.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/eth_client.rs b/examples/stm32h7/src/bin/eth_client.rs
index 8e84d9964..dcc6e36e2 100644
--- a/examples/stm32h7/src/bin/eth_client.rs
+++ b/examples/stm32h7/src/bin/eth_client.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/flash.rs b/examples/stm32h7/src/bin/flash.rs
index 89c0c8a66..4f9f6bb0a 100644
--- a/examples/stm32h7/src/bin/flash.rs
+++ b/examples/stm32h7/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/fmc.rs b/examples/stm32h7/src/bin/fmc.rs
index 54e2c3629..5e5e6ccc8 100644
--- a/examples/stm32h7/src/bin/fmc.rs
+++ b/examples/stm32h7/src/bin/fmc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/i2c.rs b/examples/stm32h7/src/bin/i2c.rs
index aea21ec6f..3bf39eb44 100644
--- a/examples/stm32h7/src/bin/i2c.rs
+++ b/examples/stm32h7/src/bin/i2c.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/low_level_timer_api.rs b/examples/stm32h7/src/bin/low_level_timer_api.rs
index 394ed3281..cc508c3cf 100644
--- a/examples/stm32h7/src/bin/low_level_timer_api.rs
+++ b/examples/stm32h7/src/bin/low_level_timer_api.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/mco.rs b/examples/stm32h7/src/bin/mco.rs
index c023f4584..a6ee27625 100644
--- a/examples/stm32h7/src/bin/mco.rs
+++ b/examples/stm32h7/src/bin/mco.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/pwm.rs b/examples/stm32h7/src/bin/pwm.rs
index c55d780a0..1e48ba67b 100644
--- a/examples/stm32h7/src/bin/pwm.rs
+++ b/examples/stm32h7/src/bin/pwm.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/rng.rs b/examples/stm32h7/src/bin/rng.rs
index 1fb4cfec0..a9ef7200d 100644
--- a/examples/stm32h7/src/bin/rng.rs
+++ b/examples/stm32h7/src/bin/rng.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/rtc.rs b/examples/stm32h7/src/bin/rtc.rs
index 78cea9c89..c6b9cf57e 100644
--- a/examples/stm32h7/src/bin/rtc.rs
+++ b/examples/stm32h7/src/bin/rtc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use chrono::{NaiveDate, NaiveDateTime};
 use defmt::*;
diff --git a/examples/stm32h7/src/bin/sdmmc.rs b/examples/stm32h7/src/bin/sdmmc.rs
index be968ff77..abe2d4ba7 100644
--- a/examples/stm32h7/src/bin/sdmmc.rs
+++ b/examples/stm32h7/src/bin/sdmmc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/signal.rs b/examples/stm32h7/src/bin/signal.rs
index b5f583289..b73360f32 100644
--- a/examples/stm32h7/src/bin/signal.rs
+++ b/examples/stm32h7/src/bin/signal.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/spi.rs b/examples/stm32h7/src/bin/spi.rs
index a8db0ff77..aed27723a 100644
--- a/examples/stm32h7/src/bin/spi.rs
+++ b/examples/stm32h7/src/bin/spi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
 use core::str::from_utf8;
diff --git a/examples/stm32h7/src/bin/spi_dma.rs b/examples/stm32h7/src/bin/spi_dma.rs
index 561052e48..54d4d7656 100644
--- a/examples/stm32h7/src/bin/spi_dma.rs
+++ b/examples/stm32h7/src/bin/spi_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
 use core::str::from_utf8;
diff --git a/examples/stm32h7/src/bin/usart.rs b/examples/stm32h7/src/bin/usart.rs
index db04d4e55..f9cbad6af 100644
--- a/examples/stm32h7/src/bin/usart.rs
+++ b/examples/stm32h7/src/bin/usart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32h7/src/bin/usart_dma.rs b/examples/stm32h7/src/bin/usart_dma.rs
index 249050fd1..ae1f3a2e9 100644
--- a/examples/stm32h7/src/bin/usart_dma.rs
+++ b/examples/stm32h7/src/bin/usart_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/stm32h7/src/bin/usart_split.rs b/examples/stm32h7/src/bin/usart_split.rs
index 61c9f1954..b98c40877 100644
--- a/examples/stm32h7/src/bin/usart_split.rs
+++ b/examples/stm32h7/src/bin/usart_split.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/usb_serial.rs b/examples/stm32h7/src/bin/usb_serial.rs
index f80cf63ec..d81efb541 100644
--- a/examples/stm32h7/src/bin/usb_serial.rs
+++ b/examples/stm32h7/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32h7/src/bin/wdg.rs b/examples/stm32h7/src/bin/wdg.rs
index 76fd9dfc0..a4184aa96 100644
--- a/examples/stm32h7/src/bin/wdg.rs
+++ b/examples/stm32h7/src/bin/wdg.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l0/Cargo.toml b/examples/stm32l0/Cargo.toml
index 7c8264739..739aa6cb1 100644
--- a/examples/stm32l0/Cargo.toml
+++ b/examples/stm32l0/Cargo.toml
@@ -4,10 +4,6 @@ name = "embassy-stm32l0-examples"
 version = "0.1.0"
 license = "MIT OR Apache-2.0"
-[features]
-default = ["nightly"]
-nightly = ["embassy-executor/nightly"]
 [dependencies]
 # Change stm32l072cz to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-any", "exti", "memory-x"]  }
diff --git a/examples/stm32l0/src/bin/blinky.rs b/examples/stm32l0/src/bin/blinky.rs
index ea40bfc48..caca5759f 100644
--- a/examples/stm32l0/src/bin/blinky.rs
+++ b/examples/stm32l0/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l0/src/bin/button.rs b/examples/stm32l0/src/bin/button.rs
index 3e56160e9..165a714a5 100644
--- a/examples/stm32l0/src/bin/button.rs
+++ b/examples/stm32l0/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l0/src/bin/button_exti.rs b/examples/stm32l0/src/bin/button_exti.rs
index ffede253e..f517fce04 100644
--- a/examples/stm32l0/src/bin/button_exti.rs
+++ b/examples/stm32l0/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l0/src/bin/flash.rs b/examples/stm32l0/src/bin/flash.rs
index 86f6c70b9..1865748fd 100644
--- a/examples/stm32l0/src/bin/flash.rs
+++ b/examples/stm32l0/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32l0/src/bin/spi.rs b/examples/stm32l0/src/bin/spi.rs
index 583e3d127..f23a537b8 100644
--- a/examples/stm32l0/src/bin/spi.rs
+++ b/examples/stm32l0/src/bin/spi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l0/src/bin/usart_dma.rs b/examples/stm32l0/src/bin/usart_dma.rs
index 62c9b5595..74889c838 100644
--- a/examples/stm32l0/src/bin/usart_dma.rs
+++ b/examples/stm32l0/src/bin/usart_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l0/src/bin/usart_irq.rs b/examples/stm32l0/src/bin/usart_irq.rs
index 5107a1a0a..2c96a8bc2 100644
--- a/examples/stm32l0/src/bin/usart_irq.rs
+++ b/examples/stm32l0/src/bin/usart_irq.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l1/Cargo.toml b/examples/stm32l1/Cargo.toml
index 23dd0ef87..071d6a502 100644
--- a/examples/stm32l1/Cargo.toml
+++ b/examples/stm32l1/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32l151cb-a", "time-driver-any", "memory-x"]  }
diff --git a/examples/stm32l1/src/bin/blinky.rs b/examples/stm32l1/src/bin/blinky.rs
index 06f732eb7..da6777b2d 100644
--- a/examples/stm32l1/src/bin/blinky.rs
+++ b/examples/stm32l1/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l1/src/bin/flash.rs b/examples/stm32l1/src/bin/flash.rs
index aeb535cca..e9ce4eae8 100644
--- a/examples/stm32l1/src/bin/flash.rs
+++ b/examples/stm32l1/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32l1/src/bin/spi.rs b/examples/stm32l1/src/bin/spi.rs
index 905b4d75c..8be686c5a 100644
--- a/examples/stm32l1/src/bin/spi.rs
+++ b/examples/stm32l1/src/bin/spi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/Cargo.toml b/examples/stm32l4/Cargo.toml
index 2861216d4..8a5fb5749 100644
--- a/examples/stm32l4/Cargo.toml
+++ b/examples/stm32l4/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32l4s5vi to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "unstable-pac", "stm32l4s5qi", "memory-x", "time-driver-any", "exti", "chrono"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768", ] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal" }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
@@ -32,7 +32,7 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
 heapless = { version = "0.8", default-features = false }
 chrono = { version = "^0.4", default-features = false }
 rand = { version = "0.8.5", default-features = false }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 micromath = "2.0.0"
diff --git a/examples/stm32l4/src/bin/adc.rs b/examples/stm32l4/src/bin/adc.rs
index a0ec5c33e..d01e9f1b3 100644
--- a/examples/stm32l4/src/bin/adc.rs
+++ b/examples/stm32l4/src/bin/adc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_stm32::adc::{Adc, Resolution};
diff --git a/examples/stm32l4/src/bin/blinky.rs b/examples/stm32l4/src/bin/blinky.rs
index 6202fe2f7..b55dfd35e 100644
--- a/examples/stm32l4/src/bin/blinky.rs
+++ b/examples/stm32l4/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/button.rs b/examples/stm32l4/src/bin/button.rs
index 0a102c2d6..15288c61e 100644
--- a/examples/stm32l4/src/bin/button.rs
+++ b/examples/stm32l4/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_stm32::gpio::{Input, Pull};
diff --git a/examples/stm32l4/src/bin/button_exti.rs b/examples/stm32l4/src/bin/button_exti.rs
index ef32d4c4a..1e970fdd6 100644
--- a/examples/stm32l4/src/bin/button_exti.rs
+++ b/examples/stm32l4/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/dac.rs b/examples/stm32l4/src/bin/dac.rs
index d6a7ff624..fdbf1d374 100644
--- a/examples/stm32l4/src/bin/dac.rs
+++ b/examples/stm32l4/src/bin/dac.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_stm32::dac::{DacCh1, Value};
diff --git a/examples/stm32l4/src/bin/dac_dma.rs b/examples/stm32l4/src/bin/dac_dma.rs
index dc86dbf43..64c541caa 100644
--- a/examples/stm32l4/src/bin/dac_dma.rs
+++ b/examples/stm32l4/src/bin/dac_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/i2c.rs b/examples/stm32l4/src/bin/i2c.rs
index 07dc12e8c..f553deb82 100644
--- a/examples/stm32l4/src/bin/i2c.rs
+++ b/examples/stm32l4/src/bin/i2c.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/i2c_blocking_async.rs b/examples/stm32l4/src/bin/i2c_blocking_async.rs
index 60a4e2eb3..1b8652bcc 100644
--- a/examples/stm32l4/src/bin/i2c_blocking_async.rs
+++ b/examples/stm32l4/src/bin/i2c_blocking_async.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_embedded_hal::adapter::BlockingAsync;
diff --git a/examples/stm32l4/src/bin/i2c_dma.rs b/examples/stm32l4/src/bin/i2c_dma.rs
index 4c2c224a6..794972a33 100644
--- a/examples/stm32l4/src/bin/i2c_dma.rs
+++ b/examples/stm32l4/src/bin/i2c_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/mco.rs b/examples/stm32l4/src/bin/mco.rs
index 504879887..36c002952 100644
--- a/examples/stm32l4/src/bin/mco.rs
+++ b/examples/stm32l4/src/bin/mco.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/rng.rs b/examples/stm32l4/src/bin/rng.rs
index e5ad56fb9..638b3e9e4 100644
--- a/examples/stm32l4/src/bin/rng.rs
+++ b/examples/stm32l4/src/bin/rng.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/rtc.rs b/examples/stm32l4/src/bin/rtc.rs
index d2a2aa1f2..526620bfb 100644
--- a/examples/stm32l4/src/bin/rtc.rs
+++ b/examples/stm32l4/src/bin/rtc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use chrono::{NaiveDate, NaiveDateTime};
 use defmt::*;
diff --git a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
index eb04fe5e6..9565ae168 100644
--- a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
+++ b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
@@ -1,10 +1,7 @@
-#![deny(clippy::pedantic)]
-#![allow(clippy::doc_markdown)]
 #![no_main]
 #![no_std]
-// Needed unitl https://github.com/rust-lang/rust/issues/63063 is stablised.
+#![deny(clippy::pedantic)]
-#![feature(type_alias_impl_trait)]
+#![allow(clippy::doc_markdown)]
-#![feature(associated_type_bounds)]
 #![allow(clippy::missing_errors_doc)]
 // This example works on a ANALOG DEVICE EVAL-ADIN110EBZ board.
diff --git a/examples/stm32l4/src/bin/spi.rs b/examples/stm32l4/src/bin/spi.rs
index 54cf68f7b..6653e4516 100644
--- a/examples/stm32l4/src/bin/spi.rs
+++ b/examples/stm32l4/src/bin/spi.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_stm32::dma::NoDma;
diff --git a/examples/stm32l4/src/bin/spi_blocking_async.rs b/examples/stm32l4/src/bin/spi_blocking_async.rs
index 903ca58df..a989a5a4a 100644
--- a/examples/stm32l4/src/bin/spi_blocking_async.rs
+++ b/examples/stm32l4/src/bin/spi_blocking_async.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_embedded_hal::adapter::BlockingAsync;
diff --git a/examples/stm32l4/src/bin/spi_dma.rs b/examples/stm32l4/src/bin/spi_dma.rs
index 58cf2e51e..7922165df 100644
--- a/examples/stm32l4/src/bin/spi_dma.rs
+++ b/examples/stm32l4/src/bin/spi_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l4/src/bin/usart.rs b/examples/stm32l4/src/bin/usart.rs
index f4da6b5ae..7bab23950 100644
--- a/examples/stm32l4/src/bin/usart.rs
+++ b/examples/stm32l4/src/bin/usart.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_stm32::dma::NoDma;
diff --git a/examples/stm32l4/src/bin/usart_dma.rs b/examples/stm32l4/src/bin/usart_dma.rs
index 2f3b2a0f0..031888f70 100644
--- a/examples/stm32l4/src/bin/usart_dma.rs
+++ b/examples/stm32l4/src/bin/usart_dma.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::fmt::Write;
diff --git a/examples/stm32l4/src/bin/usb_serial.rs b/examples/stm32l4/src/bin/usb_serial.rs
index 4baf5f05d..8cc9a7aed 100644
--- a/examples/stm32l4/src/bin/usb_serial.rs
+++ b/examples/stm32l4/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use defmt_rtt as _; // global logger
diff --git a/examples/stm32l5/Cargo.toml b/examples/stm32l5/Cargo.toml
index 2557ef42d..0d236ec90 100644
--- a/examples/stm32l5/Cargo.toml
+++ b/examples/stm32l5/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32l552ze to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "unstable-pac", "stm32l552ze", "time-driver-any", "exti", "memory-x"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt",  "tcp", "dhcpv4", "medium-ethernet"] }
@@ -26,7 +26,7 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
 heapless = { version = "0.8", default-features = false }
 rand_core = { version = "0.6.3", default-features = false }
 embedded-io-async = { version = "0.6.1" }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 [profile.release]
 debug = 2
diff --git a/examples/stm32l5/src/bin/button_exti.rs b/examples/stm32l5/src/bin/button_exti.rs
index e80ad2b3a..91d0ccc2e 100644
--- a/examples/stm32l5/src/bin/button_exti.rs
+++ b/examples/stm32l5/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l5/src/bin/rng.rs b/examples/stm32l5/src/bin/rng.rs
index 279f4f65d..50da6c946 100644
--- a/examples/stm32l5/src/bin/rng.rs
+++ b/examples/stm32l5/src/bin/rng.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l5/src/bin/usb_ethernet.rs b/examples/stm32l5/src/bin/usb_ethernet.rs
index 214235bd5..88060b6b0 100644
--- a/examples/stm32l5/src/bin/usb_ethernet.rs
+++ b/examples/stm32l5/src/bin/usb_ethernet.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l5/src/bin/usb_hid_mouse.rs b/examples/stm32l5/src/bin/usb_hid_mouse.rs
index 3614a8e0a..7c8a8ebfb 100644
--- a/examples/stm32l5/src/bin/usb_hid_mouse.rs
+++ b/examples/stm32l5/src/bin/usb_hid_mouse.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32l5/src/bin/usb_serial.rs b/examples/stm32l5/src/bin/usb_serial.rs
index f2b894b68..75053ce4b 100644
--- a/examples/stm32l5/src/bin/usb_serial.rs
+++ b/examples/stm32l5/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use embassy_executor::Spawner;
diff --git a/examples/stm32u5/Cargo.toml b/examples/stm32u5/Cargo.toml
index 1afbd8db4..029b2cfe0 100644
--- a/examples/stm32u5/Cargo.toml
+++ b/examples/stm32u5/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32u585ai to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "unstable-pac", "stm32u585ai", "time-driver-any", "memory-x" ]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
diff --git a/examples/stm32u5/src/bin/blinky.rs b/examples/stm32u5/src/bin/blinky.rs
index 4b44cb12b..7fe88c183 100644
--- a/examples/stm32u5/src/bin/blinky.rs
+++ b/examples/stm32u5/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32u5/src/bin/boot.rs b/examples/stm32u5/src/bin/boot.rs
index e2112ce5c..23c7f8b22 100644
--- a/examples/stm32u5/src/bin/boot.rs
+++ b/examples/stm32u5/src/bin/boot.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use {defmt_rtt as _, embassy_stm32 as _, panic_probe as _};
diff --git a/examples/stm32u5/src/bin/usb_serial.rs b/examples/stm32u5/src/bin/usb_serial.rs
index 839d6472f..44d1df4f1 100644
--- a/examples/stm32u5/src/bin/usb_serial.rs
+++ b/examples/stm32u5/src/bin/usb_serial.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{panic, *};
 use defmt_rtt as _; // global logger
diff --git a/examples/stm32wb/Cargo.toml b/examples/stm32wb/Cargo.toml
index ada1f32e9..bce53c440 100644
--- a/examples/stm32wb/Cargo.toml
+++ b/examples/stm32wb/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32wb55rg", "time-driver-any", "memory-x", "exti"]  }
 embassy-stm32-wpan = { version = "0.1.0", path = "../../embassy-stm32-wpan", features = ["defmt", "stm32wb55rg"] }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "udp", "proto-ipv6", "medium-ieee802154", ], optional=true }
@@ -22,7 +22,7 @@ embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 heapless = { version = "0.8", default-features = false }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 [features]
 default = ["ble", "mac"]
diff --git a/examples/stm32wb/src/bin/blinky.rs b/examples/stm32wb/src/bin/blinky.rs
index 1394f03fa..f37e8b1d8 100644
--- a/examples/stm32wb/src/bin/blinky.rs
+++ b/examples/stm32wb/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wb/src/bin/button_exti.rs b/examples/stm32wb/src/bin/button_exti.rs
index 3648db6ff..d34dde3e9 100644
--- a/examples/stm32wb/src/bin/button_exti.rs
+++ b/examples/stm32wb/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wb/src/bin/eddystone_beacon.rs b/examples/stm32wb/src/bin/eddystone_beacon.rs
index e58da8e35..cf9a5aa28 100644
--- a/examples/stm32wb/src/bin/eddystone_beacon.rs
+++ b/examples/stm32wb/src/bin/eddystone_beacon.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::time::Duration;
diff --git a/examples/stm32wb/src/bin/gatt_server.rs b/examples/stm32wb/src/bin/gatt_server.rs
index 80e835c1d..5ce620350 100644
--- a/examples/stm32wb/src/bin/gatt_server.rs
+++ b/examples/stm32wb/src/bin/gatt_server.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use core::time::Duration;
diff --git a/examples/stm32wb/src/bin/mac_ffd.rs b/examples/stm32wb/src/bin/mac_ffd.rs
index 881dc488d..5cd660543 100644
--- a/examples/stm32wb/src/bin/mac_ffd.rs
+++ b/examples/stm32wb/src/bin/mac_ffd.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wb/src/bin/mac_ffd_net.rs b/examples/stm32wb/src/bin/mac_ffd_net.rs
index 454530c03..7a42bf577 100644
--- a/examples/stm32wb/src/bin/mac_ffd_net.rs
+++ b/examples/stm32wb/src/bin/mac_ffd_net.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wb/src/bin/mac_rfd.rs b/examples/stm32wb/src/bin/mac_rfd.rs
index 000355de6..7949211fb 100644
--- a/examples/stm32wb/src/bin/mac_rfd.rs
+++ b/examples/stm32wb/src/bin/mac_rfd.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wb/src/bin/tl_mbox.rs b/examples/stm32wb/src/bin/tl_mbox.rs
index 9d0e0070c..cb92d462d 100644
--- a/examples/stm32wb/src/bin/tl_mbox.rs
+++ b/examples/stm32wb/src/bin/tl_mbox.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wb/src/bin/tl_mbox_ble.rs b/examples/stm32wb/src/bin/tl_mbox_ble.rs
index 12c6aeebb..2599e1151 100644
--- a/examples/stm32wb/src/bin/tl_mbox_ble.rs
+++ b/examples/stm32wb/src/bin/tl_mbox_ble.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wb/src/bin/tl_mbox_mac.rs b/examples/stm32wb/src/bin/tl_mbox_mac.rs
index f32e07d96..5d868412a 100644
--- a/examples/stm32wb/src/bin/tl_mbox_mac.rs
+++ b/examples/stm32wb/src/bin/tl_mbox_mac.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wba/Cargo.toml b/examples/stm32wba/Cargo.toml
index c97605937..84eb6c831 100644
--- a/examples/stm32wba/Cargo.toml
+++ b/examples/stm32wba/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = [ "defmt", "stm32wba52cg", "time-driver-any", "memory-x", "exti"]  }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "udp", "proto-ipv6", "medium-ieee802154", ], optional=true }
@@ -20,7 +20,7 @@ embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 heapless = { version = "0.8", default-features = false }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 [profile.release]
 debug = 2
diff --git a/examples/stm32wba/src/bin/blinky.rs b/examples/stm32wba/src/bin/blinky.rs
index 6b9635e66..0d803b257 100644
--- a/examples/stm32wba/src/bin/blinky.rs
+++ b/examples/stm32wba/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wba/src/bin/button_exti.rs b/examples/stm32wba/src/bin/button_exti.rs
index ef32d4c4a..1e970fdd6 100644
--- a/examples/stm32wba/src/bin/button_exti.rs
+++ b/examples/stm32wba/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wl/Cargo.toml b/examples/stm32wl/Cargo.toml
index 070d27cb6..62c34b792 100644
--- a/examples/stm32wl/Cargo.toml
+++ b/examples/stm32wl/Cargo.toml
@@ -8,7 +8,7 @@ license = "MIT OR Apache-2.0"
 # Change stm32wl55jc-cm4 to your chip name, if necessary.
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "unstable-pac", "exti", "chrono"] }
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal" }
diff --git a/examples/stm32wl/src/bin/blinky.rs b/examples/stm32wl/src/bin/blinky.rs
index 5bd5745f0..347bd093f 100644
--- a/examples/stm32wl/src/bin/blinky.rs
+++ b/examples/stm32wl/src/bin/blinky.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wl/src/bin/button.rs b/examples/stm32wl/src/bin/button.rs
index 6c1f5a5ef..3397e5ba6 100644
--- a/examples/stm32wl/src/bin/button.rs
+++ b/examples/stm32wl/src/bin/button.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use cortex_m_rt::entry;
 use defmt::*;
diff --git a/examples/stm32wl/src/bin/button_exti.rs b/examples/stm32wl/src/bin/button_exti.rs
index 1f02db5cf..e6ad4b80b 100644
--- a/examples/stm32wl/src/bin/button_exti.rs
+++ b/examples/stm32wl/src/bin/button_exti.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wl/src/bin/flash.rs b/examples/stm32wl/src/bin/flash.rs
index 5e52d49ec..0b7417c01 100644
--- a/examples/stm32wl/src/bin/flash.rs
+++ b/examples/stm32wl/src/bin/flash.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
diff --git a/examples/stm32wl/src/bin/random.rs b/examples/stm32wl/src/bin/random.rs
index 2fd234966..3610392be 100644
--- a/examples/stm32wl/src/bin/random.rs
+++ b/examples/stm32wl/src/bin/random.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/stm32wl/src/bin/rtc.rs b/examples/stm32wl/src/bin/rtc.rs
index 4ffb0bb58..4738d5770 100644
--- a/examples/stm32wl/src/bin/rtc.rs
+++ b/examples/stm32wl/src/bin/rtc.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use chrono::{NaiveDate, NaiveDateTime};
 use defmt::*;
diff --git a/examples/stm32wl/src/bin/uart_async.rs b/examples/stm32wl/src/bin/uart_async.rs
index 44e8f83a2..8e545834c 100644
--- a/examples/stm32wl/src/bin/uart_async.rs
+++ b/examples/stm32wl/src/bin/uart_async.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 use defmt::*;
 use embassy_executor::Spawner;
diff --git a/examples/wasm/Cargo.toml b/examples/wasm/Cargo.toml
index c96a428b9..305ebd526 100644
--- a/examples/wasm/Cargo.toml
+++ b/examples/wasm/Cargo.toml
@@ -9,7 +9,7 @@ crate-type = ["cdylib"]
 [dependencies]
 embassy-sync = { version = "0.5.0", path = "../../embassy-sync", features = ["log"] }
-embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-wasm", "executor-thread", "log", "nightly", "integrated-timers"] }
+embassy-executor = { version = "0.4.0", path = "../../embassy-executor", features = ["arch-wasm", "executor-thread", "log", "integrated-timers"] }
 embassy-time = { version = "0.2", path = "../../embassy-time", features = ["log", "wasm", ] }
 wasm-logger = "0.2.0"
diff --git a/examples/wasm/src/lib.rs b/examples/wasm/src/lib.rs
index 1141096fb..71cf980dd 100644
--- a/examples/wasm/src/lib.rs
+++ b/examples/wasm/src/lib.rs
@@ -1,5 +1,3 @@
-#![feature(type_alias_impl_trait)]
 use embassy_executor::Spawner;
 use embassy_time::Timer;
diff --git a/rust-toolchain-nightly.toml b/rust-toolchain-nightly.toml
new file mode 100644
index 000000000..b8a7db353
--- /dev/null
+++ b/rust-toolchain-nightly.toml
@@ -0,0 +1,12 @@
+[toolchain]
+channel = "nightly-2023-12-20"
+components = [ "rust-src", "rustfmt", "llvm-tools", "miri" ]
+targets = [
+    "thumbv7em-none-eabi",
+    "thumbv7m-none-eabi",
+    "thumbv6m-none-eabi",
+    "thumbv7em-none-eabihf",
+    "thumbv8m.main-none-eabihf",
+    "riscv32imac-unknown-none-elf",
+    "wasm32-unknown-unknown",
+]
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 11f53ee4a..e1af0b647 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,8 +1,6 @@
-# Before upgrading check that everything is available on all tier1 targets here:
-# https://rust-lang.github.io/rustup-components-history
 [toolchain]
-channel = "nightly-2023-11-01"
+channel = "beta-2023-12-17"
-components = [ "rust-src", "rustfmt", "llvm-tools", "miri" ]
+components = [ "rust-src", "rustfmt", "llvm-tools" ]
 targets = [
    "thumbv7em-none-eabi",
    "thumbv7m-none-eabi",
@@ -11,4 +9,4 @@ targets = [
    "thumbv8m.main-none-eabihf",
    "riscv32imac-unknown-none-elf",
    "wasm32-unknown-unknown",
-]
-\ No newline at end of file
+]
diff --git a/tests/nrf/Cargo.toml b/tests/nrf/Cargo.toml
index b6067abcc..ccdca0844 100644
--- a/tests/nrf/Cargo.toml
+++ b/tests/nrf/Cargo.toml
@@ -18,7 +18,7 @@ embassy-net-esp-hosted = { version = "0.1.0", path = "../../embassy-net-esp-host
 embassy-net-enc28j60 = { version = "0.1.0", path = "../../embassy-net-enc28j60", features = ["defmt"] }
 embedded-hal-async = { version = "1.0.0-rc.3" }
 embedded-hal-bus = { version = "0.1.0-rc.3", features = ["async"] }
-static_cell = { version = "2", features = [ "nightly" ] }
+static_cell = "2"
 perf-client = { path = "../perf-client" }
 defmt = "0.3"
diff --git a/tests/nrf/src/bin/ethernet_enc28j60_perf.rs b/tests/nrf/src/bin/ethernet_enc28j60_perf.rs
index c26c0d066..7dc1941d7 100644
--- a/tests/nrf/src/bin/ethernet_enc28j60_perf.rs
+++ b/tests/nrf/src/bin/ethernet_enc28j60_perf.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 teleprobe_meta::target!(b"ak-gwe-r7");
 teleprobe_meta::timeout!(120);
diff --git a/tests/nrf/src/bin/wifi_esp_hosted_perf.rs b/tests/nrf/src/bin/wifi_esp_hosted_perf.rs
index 5b43b75d7..c96064f84 100644
--- a/tests/nrf/src/bin/wifi_esp_hosted_perf.rs
+++ b/tests/nrf/src/bin/wifi_esp_hosted_perf.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 teleprobe_meta::target!(b"nrf52840-dk");
 teleprobe_meta::timeout!(120);
diff --git a/tests/rp/Cargo.toml b/tests/rp/Cargo.toml
index 028ce43ee..c38aa8004 100644
--- a/tests/rp/Cargo.toml
+++ b/tests/rp/Cargo.toml
@@ -31,7 +31,7 @@ panic-probe = { version = "0.3.0", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 embedded-io-async = { version = "0.6.1" }
 embedded-storage = { version = "0.3" }
-static_cell = { version = "2", features = ["nightly"]}
+static_cell = "2"
 portable-atomic = { version = "1.5", features = ["critical-section"] }
 pio = "0.2"
 pio-proc = "0.2"
diff --git a/tests/rp/src/bin/cyw43-perf.rs b/tests/rp/src/bin/cyw43-perf.rs
index d70ef8ef3..a1b2946e6 100644
--- a/tests/rp/src/bin/cyw43-perf.rs
+++ b/tests/rp/src/bin/cyw43-perf.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 teleprobe_meta::target!(b"rpi-pico");
 use cyw43_pio::PioSpi;
diff --git a/tests/rp/src/bin/ethernet_w5100s_perf.rs b/tests/rp/src/bin/ethernet_w5100s_perf.rs
index 5588b6427..8c9089d0e 100644
--- a/tests/rp/src/bin/ethernet_w5100s_perf.rs
+++ b/tests/rp/src/bin/ethernet_w5100s_perf.rs
@@ -1,6 +1,5 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 teleprobe_meta::target!(b"w5100s-evb-pico");
 teleprobe_meta::timeout!(120);
diff --git a/tests/stm32/Cargo.toml b/tests/stm32/Cargo.toml
index bdec41571..c60b28a7a 100644
--- a/tests/stm32/Cargo.toml
+++ b/tests/stm32/Cargo.toml
@@ -69,7 +69,7 @@ micromath = "2.0.0"
 panic-probe = { version = "0.3.0", features = ["print-defmt"] }
 rand_core = { version = "0.6", default-features = false }
 rand_chacha = { version = "0.3", default-features = false }
-static_cell = { version = "2", features = ["nightly"] }
+static_cell = "2"
 portable-atomic = { version = "1.5", features = [] }
 chrono = { version = "^0.4", default-features = false, optional = true}
diff --git a/tests/stm32/src/bin/eth.rs b/tests/stm32/src/bin/eth.rs
index c01f33a97..7c02f0354 100644
--- a/tests/stm32/src/bin/eth.rs
+++ b/tests/stm32/src/bin/eth.rs
@@ -1,7 +1,6 @@
 // required-features: eth
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[path = "../common.rs"]
 mod common;
diff --git a/tests/stm32/src/bin/stop.rs b/tests/stm32/src/bin/stop.rs
index f8e3c43d7..000296d46 100644
--- a/tests/stm32/src/bin/stop.rs
+++ b/tests/stm32/src/bin/stop.rs
@@ -2,7 +2,6 @@
 #![no_std]
 #![no_main]
-#![feature(type_alias_impl_trait)]
 #[path = "../common.rs"]
 mod common;