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@@ -1,3 +1,69 @@
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# 0.3.0 (October 15, 2020)
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This represents a 1.0 beta release. APIs are polished and future-proofed. APIs
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not included for 1.0 stabilization have been removed.
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Biggest changes are:
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- I/O driver internal rewrite. The windows implementation includes significant
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changes.
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- Runtime API is polished, especially with how it interacts with feature flag
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combinations.
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- Feature flags are simplified
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- `rt-core` and `rt-util` are combined to `rt`
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- `rt-threaded` is renamed to `rt-multi-thread` to match builder API
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- `tcp`, `udp`, `uds`, `dns` are combied to `net`.
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- `parking_lot` is included with `full`
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### Changes
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- meta: Minimum supported Rust version is now 1.45.
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- io: `AsyncRead` trait now takes `ReadBuf` in order to safely handle reading
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into uninitialized memory (#2758).
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- io: Internal I/O driver storage is now able to compact (#2757).
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- rt: `Runtime::block_on` now takes `&self` (#2782).
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- sync: `watch` reworked to decouple receiving a change notification from
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receiving the value (#2814, #2806).
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- sync: `Notify::notify` is renamed to `notify_one` (#2822).
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- process: `Child::kill` is now an `async fn` that cleans zombies (#2823).
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- sync: use `const fn` constructors as possible (#2833, #2790)
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- signal: reduce cross-thread notification (#2835).
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- net: tcp,udp,uds types support operations with `&self` (#2828, #2919, #2934).
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- sync: blocking `mpsc` channel supports `send` with `&self` (#2861).
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- time: rename `delay_for` and `delay_until` to `sleep` and `sleep_until` (#2826).
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- io: upgrade to `mio` 0.7 (#2893).
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- io: `AsyncSeek` trait is tweaked (#2885).
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- fs: `File` operations take `&self` (#2930).
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- rt: runtime API, and `#[tokio::main]` macro polish (#2876)
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- rt: `Runtime::enter` uses an RAII guard instead of a closure (#2954).
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### Added
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- sync: `map` function to lock guards (#2445).
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- sync: `blocking_recv` and `blocking_send` fns to `mpsc` for use outside of Tokio (#2685).
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- rt: `Builder::thread_name_fn` for configuring thread names (#1921).
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- fs: impl `FromRawFd` and `FromRawHandle` for `File` (#2792).
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- process: `Child::wait` and `Child::try_wait` (#2796).
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- rt: support configuring thread keep-alive duration (#2809).
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- rt: `task::JoinHandle::abort` forcibly cancels a spawned task (#2474).
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- sync: `RwLock` write guard to read guard downgrading (#2733).
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- net: add `poll_*` functions that take `&self` to all net types (#2845)
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- sync: `get_mut()` for `Mutex`, `RwLock` (#2856).
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- sync: `mpsc::Sender::closed()` waits for `Receiver` half to close (#2840).
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- sync: `mpsc::Sender::is_closed()` returns true if `Receiver` half is closed (#2726).
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- stream: `iter` and `iter_mut` to `StreamMap` (#2890).
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- net: implement `AsRawSocket` on windows (#2911).
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- net: `TcpSocket` creates a socket without binding or listening (#2920).
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### Removed
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- io: vectored ops are removed from `AsyncRead`, `AsyncWrite` traits (#2882).
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- io: `mio` is removed from the public API. `PollEvented` and` Registration` are
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removed (#2893).
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- io: remove `bytes` from public API. `Buf` and `BufMut` implementation are
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removed (#2908).
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- time: `DelayQueue` is moved to `tokio-util` (#2897).
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### Fixed
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- io: `stdout` and `stderr` buffering on windows (#2734).
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# 0.2.22 (July 21, 2020)
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### Fixes
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Carl Lerche