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@ -5,17 +5,78 @@ All notable changes to async-std will be documented in this file.
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The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
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and this project adheres to [Semantic Versioning](https://book.async.rs/overview/stability-guarantees.html).
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## [Unreleased]
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# [Unreleased]
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The new `async_std::channel` submodule, introduced in 1.8.0, has been stabilized. You no longer need the `unstable` feature to use it.
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## Added
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## Removed
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## Changed
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# [1.9.0] - 2021-01-15
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This patch stabilizes the `async_std::channel` submodule, removes the
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deprecated `sync::channel` types, and introduces the `tokio1` feature.
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## New Channels
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As part of our `1.8.0` release last month we introduced the new
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`async_std::channel` submodule and deprecated the unstable
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`async_std::sync::channel` types. You can read our full motiviation for this
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change in the last patch notes. But the short version is that the old
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channels had some fundamental problems, and the `sync` submodule is a bit of
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a mess.
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This release of `async-std` promotes `async_std::channel` to stable, and
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fully removes the `async_std::sync::channel` types. In practice many
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libraries have already been upgraded to the new channels in the past month,
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and this will enable much of the ecosystem to switch off "unstable" versions
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of `async-std`.
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```rust
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use async_std::channel;
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let (sender, receiver) = channel::unbounded();
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assert_eq!(sender.send("Hello").await, Ok(()));
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assert_eq!(receiver.recv().await, Ok("Hello"));
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```
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## Tokio 1.0 compat
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The Tokio project recently released version 1.0 of their runtime, and the
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async-std team would like to congratulate the Tokio team on achieving this
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milestone.
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This release of `async-std` adds the `tokio1` feature flag, enabling Tokio's
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TLS constructors to be initialized within the `async-std` runtime. This is in
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addition to the `tokio02` and `tokio03` feature flags which we were already
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exposing.
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In terms of stability it's worth noting that we will continue to provide
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support for the `tokio02`, `tokio03`, and `tokio1` on the current major
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release line of `async-std`. These flags are part of our public API, and
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removing compat support for older Tokio versions is considered a breaking
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change.
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## Added
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- Add `tokio1` feature ([#924](https://github.com/async-rs/async-std/pull/924))
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- Added the `tokio1` feature ([#924](https://github.com/async-rs/async-std/pull/924))
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- Stabilized the `async_std::channel` submodule ([#934](https://github.com/async-rs/async-std/pull/934))
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## Removed
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- Removed deprecated `sync::channel`
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- Removed deprecated `sync::channel` ([#933](https://github.com/async-rs/async-std/pull/933))
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## Fixed
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- Fixed a typo for [sic] `FuturesExt` trait ([#930](https://github.com/async-rs/async-std/pull/930))
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- Update the link to `cargo-edit` in the installation section of the docs ([#932](https://github.com/async-rs/async-std/pull/932))
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- Fixed a small typo for stream ([#926](https://github.com/async-rs/async-std/pull/926))
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## Internal
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- Updated `rand` to 0.8 ([#923](https://github.com/async-rs/async-std/pull/923))
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- Migrated `RwLock` and `Barrier` to use the `async-lock` crate internally ([#925](https://github.com/async-rs/async-std/pull/925))
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- Replaced uses of deprecated the `compare_and_swap` method with `compare_exchange` ([#927](https://github.com/async-rs/async-std/pull/927))
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# [1.8.0] - 2020-12-04
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