uvloop 0.23.0

[fantix]

Changes

• Add Python 3.15 and 3.15t wheel builds and CI coverage (Add Python 3.15 to CI and fix test issues #758)
  (by @honglei @fantix in f7c0547)

• Add support for the eager_start keyword argument in create_task() (feat(loop): support eager_start in loop.create_task #748)
  (by @samypr100 in 3cbb095 for support **kwargs on loop.create_task like in 3.13 and 3.14 #746 (Feature request) loop.create_task to accept arbitrary **kwargs #718)

• Add thread name prefix to the default thread pool executor (Add thread name prefix to the default thread pool executor #636)
  (by @inikolaev @fantix in 0582f94 for Set thread name prefix for default event loop thread pool #562)

• Add support for special hostname <broadcast> (Add support for special hostname <broadcast> #592)
  (by @jpbede in 3060ceb for sendto fails if ip address is "<broadcast>" #540)

• Upgrade libuv to v1.52.1 (Upgrade libuv to v1.52.1 #753)
  (by @fantix in e8efea4 for Bump bundled libuv to ≥1.49 so io_uring isn't silently on by default #752)

• Improve performance by using Python C API to enter/exit context (Improve performance by using Python C API to enter/exit context #627)
  (by @tarasko in 837ef22)

• Improve performance/latency of Transport.write (Improve performance and reduce latency of Transport.write by attempting to send data immediately if all write buffers are empty #619)
  (by @tarasko in 1d9b6e0)

• Replace some SSL vectorcall with direct methods (Improve SSL performance by calling SSLProtocol methods directly, not through the python's vectorcall interface #626)
  (by @tarasko in 6a27cbe)

• Optimize SSL buffered reads using C values (Improve SSL performance by avoiding SSLWantReadError exception and using much faster checks whenever possible #629)
  (by @tarasko in a308f75)

Fixes

• Detach socket on create_connection cancellation to prevent fd double-close (Detach socket on create_connection cancellation to prevent fd double-close #740)
  (by @junjzhang @fantix in dc680eb for Information exposure bug: response leaking to wrong requests in uvicorn-based server under heavy load #645 create_connection(sock=sock) does not detach socket on cancellation, causing fd double-close #738)

• Remove loop._ready_len in favor of len(loop._ready) (Fix race conditions on loop._ready_len #721)
  (by @x42005e1f in 5910a18 for loop.call_soon_threadsafe() behaves as non-thread-safe in free-threading #720)

• Prefer inspect.iscoroutinefunction (Do not use deprecated asyncio.iscoroutinefunction #705)
  (by @MatthieuDartiailh in fd65027 for DeprecationWarning: 'asyncio.iscoroutinefunction' is deprecated in uvloop.loop.Loop.run_in_executor in Python 3.14 #703)

• Fix context tests by explicitly yielding after run_in_executor (fix(tests): explicit yield in test_create_ssl_server_manual_connection_lost #743)
  (by @samypr100 in 6cd24cb)

• Fix test_create_connection_open_con_addr with Python 3.13.9+ (Fix test test_create_connection_open_con_addr with Python 3.13.9+ #713)
  (by @shadchin in b93141a for tests/test_tcp.py::Test_AIO_TCP::test_create_connection_open_con_addr fails on Python 3.13.9 #701)

• Skip flaky test_cancel_post_init on asyncio 3.13+ (test: skip flaky test_cancel_post_init on AIO 3.13+ #714)
  (by @fantix in 3ea5c85 for tests/test_process.py::TestAsyncio_AIO_Process::test_cancel_post_init fails randomly #709)

• Fix flaky test_fs_event (test: fix flaky test_fs_event #717)
  (by @fantix in 8da4547)

• Use C __atomic builtins for debug counters (test: use C __atomic builtins for debug counters #719)
  (by @fantix in 836e3b2)

• Update the example to work with Python 3.14 (Update the example to work with 3.14 #710)
  (by @Jamie-Chang in b74c2f1)

Build

• Replace pkg_resources with packaging and use Cython 3.1 (fix(build): use packaging instead of relying on pkg_resources from setuptools #742)
  (by @samypr100 in b377b7c for Use of deprecated / removed pkg_resources #729)

• Remove wheel as a build dependency (Get rid of wheel as a dependency #696)
  (by @DimitriPapadopoulos in 173e88c)

• Support any number of flags in UVLOOP_OPT_CFLAGS (Support any number of flags in UVLOOP_OPT_CFLAGS #630)
  (by @mgorny in 963a5f3)

[MatthieuDartiailh]

The PyPI publishing failed (invalid trusted publisher credentials).

[fantix]

Yeah unfortunately - let me fix that!

[MatthieuDartiailh]

I saw the release on PyPI. Thanks @fantix