[renovate]

This PR contains the following updates:

Package	Type	Update	Change
tokio (source)	workspace.dependencies	minor	1.53.1 → 1.54.0

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Release Notes

tokio-rs/tokio (tokio)

v1.54.0: Tokio v1.54.0

Compare Source

1.54.0 (October 19th, 2026)

The 1.54.0 release includes all changes up to 1.53.3.

The MSRV is increased to 1.85. (#​8514)

Added

• fs: add File::set_times, File::set_modified, and fs::FileTimes (#​8504)
• net: implement Default for named_pipe::{ClientOptions, ServerOptions} (#​8378)
• runtime: add Builder::max_io_events_per_busy_tick (#​8410)
• runtime: stabilize tokio::runtime::worker_index() (#​8431)
• sync: add SemaphorePermit::semaphore() (#​8482)
• sync: add blocking_acquire methods to Semaphore (#​8269)
• sync: add watch::Receiver::is_closed (#​8481)
• wasm: support JSPI for Emscripten target (#​8285, #​8627)
• wasm: support the wasm32-unknown-emscripten target (#​8281, #​8422, #​8528, #​8628)

Changed

• fs: reject zero in File::set_max_buf_size (#​8449)
• io: make copy_buf cooperative (#​8459)
• io: panic when BufReader or BufStream is created with zero capacity (#​8494)
• io: panic when in-memory pipe is created with zero capacity (#​8397)
• io: reject zero buffer size in copy_bidirectional_with_sizes (#​8454)
• io: support vectored writes in Sink (#​8663)
• net: start UnixStream::pair and UnixDatagram::pair sockets as writable (#​8444)
• net: start accepted sockets as readable and writable (#​8435)
• net: support UCred on Fuchsia (#​8257)
• process: use mio::unix::pipe for Unix child stdio (#​8603)
• runtime: cache-pad the shared injection queue and idle state (#​8622)
• runtime: decide auto-boxing of spawned futures at monomorphization time (#​8414)
• runtime: make enable_io available whenever rt is enabled (#​8387)
• runtime: move block_in_place setup into a non-generic function (#​8315)
• runtime: move the multi-thread inject queue to its own mutex (#​8382)
• runtime: panic when max_io_events_per_tick is zero (#​8476)
• runtime: suggest .await in nested block_on panic message (#​8501)
• sync: avoid atomic reader count in broadcast slots (#​8357)
• sync: use acquire/release orderings in Notify (#​8325)
• time: remove the runtime handle from timers (#​8458)

Fixed

• fs: restore File internal state when op fails (#​8291)
• io: complete zero-length memory stream operations immediately (#​8323)
• io: flush the writer when the reader stalls in copy_buf (#​8424)
• io: keep the shutdown bit when clearing readiness (#​8435)
• io: preserve the full ScheduledIo tick in readiness events (#​8331)
• io: read lines as bytes so a partial line survives an I/O error (#​8400)
• io: retry on ErrorKind::Interrupted in more I/O operations (#​8417, #​8432, #​8448, #​8453, #​8455, #​8460)
• io: use spawn_mandatory_blocking for stdout and stderr (#​8506)
• io: wait for pending operations before BufReader seeks (#​8599)
• net: close CreateFileW handle on SetNamedPipeHandleState failure (#​8418)
• net: fix peer credentials on NetBSD (#​8589)
• net: saturate TcpSocket and UnixSocket listen backlog (#​8511)
• net: treat ENOTCONN as success in UnixStream::shutdown (#​8526)
• runtime: allow building with --all-features without tokio_unstable (#​8401)
• runtime: avoid overflow in shutdown_timeout() (#​8497)
• runtime: fix spawn_blocking hang when only scheduler workers exist (#​8408)
• runtime: fix misleading signal driver panic message (#​8419)
• sync: preserve FIFO lock order when coop budget is exhausted (#​8371)
• sync: use usize for permit count in SemaphorePermit (#​8405)
• time: avoid interval deadline overflow (#​8385)
• time: handle wrapped top-level timer-wheel slots (#​8334)

Unstable

• fs: fall back when io_uring has no IO driver (#​8165)
• metrics: cap log histogram precision (#​8496)
• runtime: add an opt-in sharded spawn_blocking queue (#​8337)
• runtime: expose schedule latency in task hooks (#​8282)
• taskdump: fix idle bookkeeping when a task dump wakes parked workers (#​8372)
• taskdump: skip non-idle tasks during taskdumps (#​8568)

Documented

• docs: fix stray braces and broken links in rustdoc (#​8605)
• fs: document cancellation behavior of tokio::fs (#​8265)
• net: add Safety docs for named pipe from_raw_handle (#​8378)
• net: document that TcpStream::connect returns only the last error (#​8421)
• runtime: add error documentation for runtime::Builder (#​8297)
• runtime: link available_parallelism in worker count docs (#​8625)
• sync: clarify panic behavior of broadcast::channel() (#​8420)
• sync: fix typo in Semaphore documentation (#​8521)

v1.53.3: Tokio v1.53.3

Compare Source

1.53.3 (October 13th, 2026)

Added

• io: add AsyncFd::register and AsyncFd::register_with_interest (#​8587)

Changed

• io: deprecate AsyncFd::{new, with_interest, try_new, try_with_interest} (#​8587)

Fixed

• io: wake and drop DuplexStream wakers outside the lock (#​8618)
• macros: avoid unreachable_code in join! and try_join! for Infallible (#​8518)
• runtime: fix paused time auto-advancing when I/O wakes a task on current_thread (#​8595)
• sync: wake waiters outside the lock when closing a semaphore (#​8529)
• test: fix several flaky tests (#​8196, #​8427, #​8609)

Fixed (unstable)

• rt: keep io_uring op alive when submission fails after push (#​8185)

v1.53.2: Tokio v1.53.2

Compare Source

1.53.2 (October 3rd, 2026)

Fixed

• fs: handle integer overflow in buffered relative seek (#​8574)
• io: revert "always cleanup AsyncFd registration list on deregister" (#​8540)
• process: unregister Windows wait before closing child handle (#​8564)
• rt: drop blocking pool mutex before shutting down rejected task (#​8562)
• sync: fix mpsc index wraparound in block reclamation (#​8546)
• sync: forget mpsc Permit before sending value (#​8560)
• sync: validate MAX_PERMITS in Semaphore::acquire (#​8548)
• sync: wake broadcast Sender::closed outside mutex (#​8558)
• task: drop replaced waker outside lock in JoinSet (#​8554)
• time: drop timer lock before dropping waker in clear_entry (#​8552)
• time: expire timers directly on shutdown without rotating wheel (#​8570)

Fixed (unstable)

• fs: clamp io_uring read length to u32::MAX (#​8572)
• rt: ignore current_thread task dumps from other runtimes (#​8544)
• rt: preserve io_uring context if a completion waker panics (#​8566)
• sync: fix semaphore use-after-free and permit leak on tracing panic (#​8542)
• taskdump: restore deferred leaf wakes during capture (#​8445)
• time: drop stored waker when cancelling alt timer entry (#​8550)

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