MagicStack/uvloop

📋 Changes

• Fixes for Python 3.14 (#638)
• Add free-threading support (#693)
• Use Cython `enum` for `__PREALLOCED_BUFS` (#634)
• test: fix getaddrinfo test (#663)
• test: fix task name for Python 3.13.3/3.14 (#662)

📋 Changes

• Add cleanup_socket param on create_unix_server()
• Use cythonized SO_REUSEPORT rather than the unwrapped native one. (#609)
• UDP errors should result in protocol.error_received (#601)
• Updates for Cython3 (#587)
• Test with Python 3.13 (#610)

📋 Changes

• Upgrade libuv to v1.48.0 (#600)
• Fix test_create_server_4 with Python 3.12.5 (#614)
• Use len(os.sched_getaffinity(0)) instead of os.cpu_count() (#591)
• Inline _Py_RestoreSignals() from CPython (#604)

📋 Changes

• Drop support of Python 3.7 and update CI (#578)
• Restore uvloop.new_event_loop and other missing uvloop members to typing (#573)
• Fix docstring of loop.shutdown_default_executor (#535)
• Fix CI status badge (#522)

📋 Changes

• CI fixes (#520, #553)
• Make extract_stack resilient to lacking frames. (#563)
• Port uvloop to Python 3.12 (#570)

📋 Changes

• Expose uv_loop_t pointer for integration with other C-extensions (#310)
• Support python 3.11+ (#473)
• Expose libuv uv_fs_event functionality (#474)
• Activate debug mode when `-X dev` is used
• Expose uv_version() for libuv API compatibility (#491)
• Fix loop.getaddrinfo() and tests (#495)
• Bump to libuv 1.43.0
• _TransProtPair is no longer defined in asyncio.events
• + 19 more

📋 Changes

• Python 3.10 support (#432)
• Bump vendored libuv to 1.42.0 (#433)
• Use cibuildwheel to build wheels (#435)
• Add support for `<timer handle>.when()`
• Fix ref issue when protocol is in Cython
• Set `python_requires` in setup.py
• SSL: schedule first data after waiter wakeup
• Fix a possible race condition in sslproto test
• + 1 more

📋 Changes

• SSL: schedule first data after waiter wakeup
• Fix a possible race condition in sslproto test
• Fix `call_soon_threadsafe` thread safety

📋 Changes

• Add `python_requires` in `setup.py` to fix dependency resolution issues

📋 Changes

• Fix a segfault issue when a Cython protocol is de-referencing itself from `Context.run()` callbacks

📋 Changes

• Add name keyword argument to `loop.create_task()`
• Add typing support
• SSL: many improvements
• Fix `KeyboardInterrupt` handling logic
• Python 3.8/3.9 compatibility fixes, drop support for 3.5/3.6
• UDP: multiple bug fixes
• Pipe: a critical crash fix that affects subprocess, pipe and socketpair
• Restore context on protocol callbacks
• + 7 more

📋 Changes

• Add support for Python 3.8.
• Multiple fixes in the SSL/TLS layer.
• Restore `signal.wakeup_fd` after the event loop is closed.
• Handle large timeouts in `loop.call_later()`.
• Fix possible feezing of uvloop on `os.fork`.
• Better handle Unix sockets for datagram transports.
• Avoid double connecting to `remote_addr` for datagram transports.
• Bump Cython to 0.29.13.
• + 1 more

📦 See the full list of updates in [0.14.0rc1 release notes](https://github.com/MagicStack/uvloop/releases/tag/v0.14.0rc1).

• Fix libuv not waking up on SIGINT.
• (by @1st1 in c32c703 for #295)
• Fix SSL proto to better handle EOF.
• (by @fantix in 6476aad)

📋 Changes

• Add support for Python 3.8.
• Multiple fixes in the SSL/TLS layer.
• Restore `signal.wakeup_fd` after the event loop is closed.
• Handle large timeouts in `loop.call_later()`.
• Fix possible feezing of uvloop on `os.fork`.
• Better handle Unix sockets for datagram transports.
• Avoid double connecting to `remote_addr` for datagram transports.
• Bump Cython to 0.29.13.
• + 1 more

📋 Changes

• Implement `Server.start_serving()` and related APIs.
• Make `Server` an asynchronous context manager.
• Start using high-performance `uv_udp_t` handle. This
• Make address validation faster in `udp.sendto()`.
• `OSError` is no longer logged by Transports.
• Upgrade to libuv `v1.31.0`.
• Use `manylinux-2010`. This means we no longer provide

📋 Changes

• Implement `Server.start_serving()` and related APIs.
• Make `Server` an asynchronous context manager.
• Start using high-performance `uv_udp_t` handle. This
• Make address validation faster in `udp.sendto()`.
• Upgrade to libuv `v1.28.0`.
• Use `manylinux-2010`. This means we no longer provide

📋 Changes

• Fix circular references in SSL implementation to reduce
• Fix a memory leak in `call_later()` and `call_at()`.
• Fix compilation warnings.
• Round (instead of flooring) delay in `call_later()`.

📋 Changes

• Fix a circular references case in SSL implementation.
• Cleanup references to callbacks in canceled callback handles.

📋 Changes

• New SSL implementation. The new implementation is faster and
• New `uvloop.install()` helper function.
• All bug fixes from `0.11.0`—`0.11.3` are included in
• `ssl.CertificateError` is no longer logged as it's delivered to
• Don't use non-existent `UDPTransport._address` attribute.
• Improve `UDPTransport.sendto()` performance.
• Upgrade Cython `0.28.x` -> `0.29.0`.
• Upgrade libuv `v1.22.0` -> `v1.23.0`.

📋 Changes

• New SSL implementation. The new implementation is faster and
• New `uvloop.install()` helper function.
• All bug fixes from `0.11.0`—`0.11.3` are included in
• `ssl.CertificateError` is no longer logged as it's delivered to
• Upgrade Cython `0.28.x` -> `0.29.0`.
• Upgrade libuv `v1.22.0` -> `v1.23.0`.

📋 Changes

• Use new `PyOS_BeforeFork` and `PyOS_AfterFork_*` 3.7 APIs when available
• Fix async generators finalization to function correctly in debug mode
• Pass `backlog` to `loop.create_unix_server()` when a server is created via
• Don't raise "requires a DNS lookup" error on Unix Domain Socket (#204)
• Fix use of `PyContext*` APIs in 3.7.1
• Bump Cython to 0.28.5

📋 Changes

• Fix a memory leak related to contextvars support.

📋 Changes

• Fix a memory leak in contextvars support.

📋 Changes

• Fix server to shutdown when alive connections exist
• Fix a few bugs and crashes in UDP layer
• Fix FD leakage if spawning a subprocess fails
• Fix libuv process handles leak when `uv_spawn()` fails

📋 Changes

• Implement support for `BufferedProtocol`.
• Implement `loop.start_tls()`.
• Add `Server.get_loop()`.
• Fix Server to wait in wait_closed() until all transports are done.
• SSLTransport.abort() should mark the transport as closed.
• Fix 3.7 32bit builds.
• `setup.py`: Detect if the libuv submodule has not been checked out.
• Fix race between futures cancellation and `loop.remove_reader()` /
• + 1 more

📋 Changes

• Use a proper type for the thread indent (fixes 32-bit build for 3.7.)
• Fix cancellation race in `loop.sock_recv()` and `loop.sock_recv_into()`
• Sync SSL error messages with CPython's SSL implementation.
• Fix `SSLTransport.abort()` to mark the transport as closed.
• Detect if libuv submodule has not been checked out in `setup.py`.

📋 Changes

• Bump Cython from 0.28.2 to 0.28.3.
• Increase default SSL handshake timeout to 60 seconds.
• Add `ssl_handshake_timeout` parameter to `loop.create_connection()`,
• Consistently close transports if create_server/create_connection/etc

📋 Changes

• Initial support for Python 3.7.
• Implement PEP 567 support (contextvars module) for Python 3.7.
• Add uvloop's own version of `asyncio/sslproto.py`. SSL is now ~50% faster.
• Convert Future-returning loop methods to coroutines to match asyncio 3.7.
• Allow file objects to be passed to `loop.subprocess*()` functions.
• Make signals processing more reliable.
• Prohibit adding a signal handler for `SIGCHLD`.
• Add `uvloop.__version__`.
• + 6 more