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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

0.12.5 - 2026-07-23

Added

(buf) make IoBuf, SetLen, and IoBufMut dyn-compatible (#969)

Fixed

semicolon_in_expressions_from_macros (#977)
(compio-fs) populate ctime correctly (#968)

Other

bump cfg_aliases (#980)

0.12.4 - 2026-07-06

Fixed

(driver,iour) set IORING_ENTER_NO_IOWAIT on CQE wait (#957)
(driver) unify buffer pool error to ResourceBusy across backends (#961)

0.12.3 - 2026-06-14

Fixed

drop linux_5_11 requirement (#947)

0.12.2 - 2026-06-05

Fixed

close ring instance before dropping in_flight data (#943)

0.12.1 - 2026-06-01

Fixed

(driver,iour) set correct poll_first flag (#939)

0.12.0 - 2026-05-27

Added

(driver,net) [breaking] more nonempty (#906)
(log) reduce unused warnings (#924)

Changed

replace cfg_if with cfg_select (#925)

Fixed

(driver) bounds-check buffer_id in Shared::reset (#927)

Other

check android & ios (#922)

0.12.0-rc.2 - 2026-05-15

Added

(compat) runtime compatibility layers (#920)
(driver) method to flush the operations (#919)
(driver,executor,runtime) [breaking] remove notify-always (#902)
(driver) add support for single issuer and deferred task run in ProactorBuilder (#908)
(driver, net) support recv_send_poll_first (#894)
(driver,iour) detect kernel version & fallback (#903)
(driver,net) [breaking] reuse socket on Windows (#887)
(driver) add sqpoll_cpu in ProactorBuilder (#900)
(io,net) async zerocopy write traits (#898)

Fixed

(driver) compile on android (#916)

Other

add more targets for docs.rs (#896)

0.12.0-rc.1 - 2026-04-20

Added

(driver) add more flags to Extra (#858)
(driver) add Extra::needs_polling (#857)
(driver) recvmsg multi (#842)
(driver) buffer pool allocator (#854)
(driver,iour) allow to specify cqsize (#834)
(runtime) [breaking] waker-based future combinator (#825)
(driver) yield_now in push_blocking loop (#816)
(driver,fs,unix) async anonymous pipe (#807)
(driver,net,unix) async bind & listen (#806)
(io) add traits for reading/writing with ancillary data (#717)
implement IntoInner for PollOnce and Splice (#792)
(net,win) make socket & shutdown sync (#789)
(driver) [breaking] accept multi (#747)
(driver) fallback for zerocopy ops (#755)
(driver) send zerocopy for Linux (#754)
update thin-cell (#738)
(driver) multishot op (#715)
(driver) make stub & iocp driver non-send and test (#728)
(driver) add register_files/unregister_files for io_uring fixed-file ops (#718)
(driver) entry fallback (#716)
(driver) add recv_from_managed operation support (#709)
(fs) dirfd support (#703)
(driver,unix) [breaking] support dirfd relative fs ops (#699)
(driver,iocp) impl AsFd for borrowed handle (#694)
(driver) force OpCode support (#690)
(dispatcher) block standard POSIX signals on worker threads (#672)
(runtime) cancel & future combinator (#665)
(driver) cancel token (#660)

Changed

[breaking] use rustix (#876)
(driver) adjust sys layout (#870)
(driver) use WeakKey for Cancel (#864)
(driver) handle panicking (#853)
(driver) require Default for Control (#859)
[breaking] buffer pool & managed IO (#820)
(driver,unix) use control api (#804)
(driver,iocp) use control api (#803)
(driver) get rid of pin (#758)
(net) adjust send* methods (#770)
(driver) record multishot results in ops (#748)
(driver) [breaking] make update_waker take &Key (#742)
(driver) shared fd (#661)

Fixed

(driver,iour) len field for RecvMulti (#879)
(driver) test cancel for windows (#881)
(driver,unix) add some control API usages (#832)
(driver) avoid leak if not consumed (#809)
(driver,fs) add Sync on fds of AsyncifyFd* (#805)
(driver) memory leaks on drop (#769)
(driver) rust-analyzer is confused by Extra (#740)
unused_features (#739)
(driver,iour) make Driver non-Send (#727)
(driver,net) [breaking] to/from/msg have optional address (#721)
(driver,stub) allow creation (#705)
(driver,unix) set_result for OpenFile & CreateSocket (#701)
(driver) key is not unique when spawn_blocking (#675)
(driver) statx on musl (#669)
(driver) the fusion driver with polling variant (#670)

Other

(driver) release buffer pool (#810)
(driver) read multi on pipe (#760)
remove "authors" field in metadata (#711)
(driver) fix doc for Dispatchable (#693)

0.11.1 - 2026-01-28

Added

(driver) [breaking] full iour fallback (#656)
(runtime) future combinator (#639)
(fs) splice (#635)
(driver) fake splice test (#638)
(driver,iour) support personality (#630)
(driver,quic) use synchrony (#628)
(driver) use nix instead of rustix (#627)
(driver,poll) multi fd (#623)
(driver) ensure that all supported statx fields are filled (#625)
(driver) add splice (#609)
(driver, fs) truncate file (#611)
(driver,unix) use stat64 if possible (#597)
[breaking] fs & net feature (#564)
(driver) distinguish Read/Write & Recv/Send (#567)
(driver) stablize aliases of OpCode (#566)

Changed

(driver) [breaking] make opcode unsafe (#650)
(runtime) [breaking] submit future (#632)
(driver) extra (#624)
(driver,poll) with_events (#622)
(driver) use thin-cell for Key (#620)
(driver) limit usage of Key::new_unchecked (#618)
(driver) make Key less unsafe (#616)
(buf) rename as_slice to as_init (#594)
set_buf_init (#579)
(driver,iocp) [breaking] make OpCode::cancel safe (#575)
(driver) use pin_project_lite for Ops (#570)
(driver,runtime) merge overlapped and flags into unified Extra (#559)
(buf) better IoBuf (#555)

Fixed

(driver,iour) cancel leaks the key (#652)
(driver) user_data does not exist (#643)
(driver) multi fd (#636)
(driver, IOCP) cap buf, sys_slice length to u32 (#613)
(driver,stub) compile (#612)
(iour) cap buf len to u32::MAX (#600) (#601)
(buf,driver) safety around set_len (#585)
(driver,iocp) send* & recv* might receive dangling ptrs (#572)
(driver) stub driver is broken (#560)

Other

deploy docs (#641)
(driver) update SockAddrStorage usage (#599)
deny rustdoc::broken_intra_doc_links (#574)
fix broken builds (#562)