embassy/embassy-sync/CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

0.7.0 - 2025-05-28

• Add remove_if to priority_channel::{Receiver, PriorityChannel}.
• impl Stream for channel::{Receiver, Channel}.
• Fix channels to wake senders on clear(). For Channel, PriorityChannel, PubSub, zerocopy_channel::Channel.
• Allow zerocopy_channel::Channel to auto-implement Sync/Send.
• Add must_use to MutexGuard.
• Add a RwLock.
• Add lock_mut to blocking_mutex::Mutex.
• Don't select a critical-section implementation when std feature is enabled.
• Improve waker documentation.
• Improve Signal and Watch documentation.
• Update to defmt 1.0. This remains compatible with latest defmt 0.3.
• Add peek method on channel and priority_channel.
• Add dynamic sender and receiver that are Send + Sync for channel.

0.6.2 - 2025-01-15

• Add dynamic dispatch variant of Pipe.

0.6.1 - 2024-11-22

• Add LazyLock sync primitive.
• Add Watch sync primitive.
• Add clear, len, is_empty and is_full functions to zerocopy_channel.
• Add capacity, free_capacity, clear, len, is_empty and is_full functions to channel::{Sender, Receiver}.
• Add capacity, free_capacity, clear, len, is_empty and is_full functions to priority_channel::{Sender, Receiver}.
• Add GenericAtomicWaker utility.

0.6.0 - 2024-05-29

• Add capacity, free_capacity, clear, len, is_empty and is_full functions to Channel.
• Add capacity, free_capacity, clear, len, is_empty and is_full functions to PriorityChannel.
• Add capacity, free_capacity, clear, len, is_empty and is_full functions to PubSubChannel.
• Made PubSubBehavior sealed
  • If you called .publish_immediate(...) on the queue directly before, then now call .immediate_publisher().publish_immediate(...)
• Add OnceLock sync primitive.
• Add constructor for DynamicChannel
• Add ready_to_receive functions to Channel and Receiver.

0.5.0 - 2023-12-04

• Add a PriorityChannel.
• Remove nightly and unstable-traits features in preparation for 1.75.
• Upgrade heapless to 0.8.
• Upgrade static-cell to 2.0.

0.4.0 - 2023-10-31

• Re-add impl_trait_projections
• switch to embedded-io 0.6

0.3.0 - 2023-09-14

• switch to embedded-io 0.5
• add api for polling channels with context
• standardise fn names on channels
• add zero-copy channel

0.2.0 - 2023-04-13

• pubsub: Fix messages not getting popped when the last subscriber that needed them gets dropped.
• pubsub: Move instead of clone messages when the last subscriber pops them.
• pubsub: Pop messages which count is 0 after unsubscribe.
• Update embedded-io from 0.3 to 0.4 (uses async fn in traits).
• impl Default for WakerRegistration
• impl Default for Signal
• Remove unnecessary uses of atomic-polyfill
• Add #[must_use] to all futures.

0.1.0 - 2022-08-26

• First release