Tokio v1.53.0

1.53.0 (July 17th, 2026)

Added

• fs: implement From<OwnedFd> and From<OwnedHandle> for File (#8266)
• metrics: add task schedule latency metric (#7986)
• net: add SocketAddr methods to Unix sockets (#8144)

Changed

• io: add #[inline] to IO trait impls for in-memory types (#8242)
• net: implement UCred::pid on FreeBSD (#8086)
• net: support Nuttx target os (#8259)
• signal: refactor global variables on Windows (#8231)
• sync: mpsc::{Receiver,UnboundedReceiver} now drops waker on drop, even if there are still senders (#8095)
• taskdump: support taskdumps on s390x (#8192)
• time: add #[track_caller] to timeout_at() (#8077)
• time: consolidate mutex locks on spurious poll (#8124)
• time: defer waker clone on spurious poll (#8107)
• time: move lazy-registration state into Sleep (#8132)
• tracing: remove unnecessary span clone (#8126)

Fixed

• io: do not treat zero-length reads as EOF in Chain (#8251)
• net: use getpeereid for QNX peer credentials (#8270)
• runtime: avoid illegal state in FastRand (#8078)
• sync: wake mpsc receiver when a queued reserve[_many] returns permits (#8260)
• taskdump: skip double wake on Trace::capture/Trace::trace_with (#8043)
• time: avoid stack overflow in runtime constructor (#8093)
• time (alt timer): ensure timers stay in the same runtime after .reset() (#8169)

IO uring (unstable)

• fs: use io-uring for fs::try_exists (#8080)
• fs: use io-uring for renaming files (#7800)
• rt: flush io-uring CQE in case of CQE overflow (#8277)

Documented

• docs: clarify cancel safety wording (#8181)
• fs: clarify create_dir_all succeeds if path exists (#8149)
• io: add warning about stdout reordering with multiple handles (#8276)
• net: document pipe try_read*/try_write* readiness behavior (#8032)
• runtime: document interaction with fork() (#8202)
• sync: clarify broadcast lagging semantics (#8239)
• sync: document memory ordering guarantees for Semaphore (#8119)
• task: explain why yield_now defers its waker (#8254)
• time: add panic docs to timeout_at() (#8077)
• time: fix reversed poll order in timeout doc (#8214)