v1.37.0: Tokio v1.37.0

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1.37.0 (March 28th, 2024)

Added

• fs: add set_max_buf_size to tokio::fs::File (#​6411)
• io: add try_new and try_with_interest to AsyncFd (#​6345)
• sync: add forget_permits method to semaphore (#​6331)
• sync: add is_closed, is_empty, and len to mpsc receivers (#​6348)
• sync: add a rwlock() method to owned RwLock guards (#​6418)
• sync: expose strong and weak counts of mpsc sender handles (#​6405)
• sync: implement Clone for watch::Sender (#​6388)
• task: add TaskLocalFuture::take_value (#​6340)
• task: implement FromIterator for JoinSet (#​6300)

Changed

• io: make io::split use a mutex instead of a spinlock (#​6403)

Fixed

• docs: fix docsrs build without net feature (#​6360)
• macros: allow select with only else branch (#​6339)
• runtime: fix leaking registration entries when os registration fails (#​6329)

Documented

• io: document cancel safety of AsyncBufReadExt::fill_buf (#​6431)
• io: document cancel safety of AsyncReadExt's primitive read functions (#​6337)
• runtime: add doc link from Runtime to #[tokio::main] (#​6366)
• runtime: make the enter example deterministic (#​6351)
• sync: add Semaphore example for limiting the number of outgoing requests (#​6419)
• sync: fix missing period in broadcast docs (#​6377)
• sync: mark mpsc::Sender::downgrade with #[must_use] (#​6326)
• sync: reorder const_new before new_with (#​6392)
• sync: update watch channel docs (#​6395)
• task: fix documentation links (#​6336)

Changed (unstable)

• runtime: include task Id in taskdumps (#​6328)
• runtime: panic if unhandled_panic is enabled when not supported (#​6410)

v1.36.0: Tokio v1.36.0

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1.36.0 (February 2nd, 2024)

Added

• io: add tokio::io::Join (#​6220)
• io: implement AsyncWrite for Empty (#​6235)
• net: add support for anonymous unix pipes (#​6127)
• net: add UnixSocket (#​6290)
• net: expose keepalive option on TcpSocket (#​6311)
• sync: add {Receiver,UnboundedReceiver}::poll_recv_many (#​6236)
• sync: add Sender::{try_,}reserve_many (#​6205)
• sync: add watch::Receiver::mark_unchanged (#​6252)
• task: add JoinSet::try_join_next (#​6280)

Changed

• io: make copy cooperative (#​6265)
• io: make repeat and sink cooperative (#​6254)
• io: simplify check for empty slice (#​6293)
• process: use pidfd on Linux when available (#​6152)
• sync: use AtomicBool in broadcast channel future (#​6298)

Documented

• io: clarify clear_ready docs (#​6304)
• net: document that *Fd traits on TcpSocket are unix-only (#​6294)
• sync: document FIFO behavior of tokio::sync::Mutex (#​6279)
• chore: typographic improvements (#​6262)
• runtime: remove obsolete comment (#​6303)
• task: fix typo (#​6261)

v1.35.1: Tokio v1.35.1

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1.35.1 (December 19, 2023)

This is a forward part of a change that was backported to 1.25.3.

Fixed

• io: add budgeting to tokio::runtime::io::registration::async_io (#​6221)

v1.35.0: Tokio v1.35.0

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1.35.0 (December 8th, 2023)

Added

• net: add Apple watchOS support (#​6176)

Changed

• io: drop the Sized requirements from AsyncReadExt.read_buf (#​6169)
• runtime: make Runtime unwind safe (#​6189)
• runtime: reduce the lock contention in task spawn (#​6001)
• tokio: update nix dependency to 0.27.1 (#​6190)

Fixed

• chore: make --cfg docsrs work without net feature (#​6166)
• chore: use relaxed load for unsync_load on miri (#​6179)
• runtime: handle missing context on wake (#​6148)
• taskdump: fix taskdump cargo config example (#​6150)
• taskdump: skip notified tasks during taskdumps (#​6194)
• tracing: avoid creating resource spans with current parent, use a None parent instead (#​6107)
• tracing: make task span explicit root (#​6158)

Documented

• io: flush in AsyncWriteExt examples (#​6149)
• runtime: document fairness guarantees and current behavior (#​6145)
• task: document cancel safety of LocalSet::run_until (#​6147)

v1.34.0: Tokio v1.34.0

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Fixed

• io: allow clear_readiness after io driver shutdown (#​6067)
• io: fix integer overflow in take (#​6080)
• io: fix I/O resource hang (#​6134)
• sync: fix broadcast::channel link (#​6100)

Changed

• macros: use ::core qualified imports instead of ::std inside tokio::test macro (#​5973)

Added

• fs: update cfg attr in fs::read_dir to include aix (#​6075)
• sync: add mpsc::Receiver::recv_many (#​6010)
• tokio: added vita target support (#​6094)

v1.33.0: Tokio v1.33.0

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1.33.0 (October 9, 2023)

Fixed

• io: mark Interest::add with #[must_use] (#​6037)
• runtime: fix cache line size for RISC-V (#​5994)
• sync: prevent lock poisoning in watch::Receiver::wait_for (#​6021)
• task: fix spawn_local source location (#​5984)

Changed

• sync: use Acquire/Release orderings instead of SeqCst in watch (#​6018)

Added

• fs: add vectored writes to tokio::fs::File (#​5958)
• io: add Interest::remove method (#​5906)
• io: add vectored writes to DuplexStream (#​5985)
• net: add Apple tvOS support (#​6045)
• sync: add ?Sized bound to {MutexGuard,OwnedMutexGuard}::map (#​5997)
• sync: add watch::Receiver::mark_unseen (#​5962, #​6014, #​6017)
• sync: add watch::Sender::new (#​5998)
• sync: add const fn OnceCell::from_value (#​5903)

Removed

• remove unused stats feature (#​5952)

Documented

• add missing backticks in code examples (#​5938, #​6056)
• fix typos (#​5988, #​6030)
• process: document that Child::wait is cancel safe (#​5977)
• sync: add examples for Semaphore (#​5939, #​5956, #​5978, #​6031, #​6032, #​6050)
• sync: document that broadcast capacity is a lower bound (#​6042)
• sync: document that const_new is not instrumented (#​6002)
• sync: improve cancel-safety documentation for mpsc::Sender::send (#​5947)
• sync: improve docs for watch channel (#​5954)
• taskdump: render taskdump documentation on docs.rs (#​5972)

Unstable

• taskdump: fix potential deadlock (#​6036)

v1.32.1: Tokio v1.32.1

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1.32.1 (December 19, 2023)

This is a forward part of a change that was backported to 1.25.3.

Fixed

• io: add budgeting to tokio::runtime::io::registration::async_io (#​6221)