Releases · aio-libs/aiohttp · GitHub

21 Apr 09:39

3.11.18 Latest

Latest

Bug fixes

Disabled TLS in TLS warning (when using HTTPS proxies) for uvloop and newer Python versions -- by :user:lezgomatt.

Related issues and pull requests on GitHub:
#7686.
Fixed reading fragmented WebSocket messages when the payload was masked -- by :user:bdraco.

The problem first appeared in 3.11.17

Related issues and pull requests on GitHub:
#10764.

Assets 245

aiohttp-3.11.18-cp310-cp310-macosx_10_9_universal2.whl

695 KB 2025-04-21T09:43:58Z
aiohttp-3.11.18-cp310-cp310-macosx_10_9_universal2.whl.publish.attestation

8.7 KB 2025-04-21T09:43:57Z
aiohttp-3.11.18-cp310-cp310-macosx_10_9_universal2.whl.sigstore.json

8.38 KB 2025-04-21T09:43:57Z
aiohttp-3.11.18-cp310-cp310-macosx_10_9_x86_64.whl

460 KB 2025-04-21T09:43:58Z
aiohttp-3.11.18-cp310-cp310-macosx_10_9_x86_64.whl.publish.attestation

8.83 KB 2025-04-21T09:43:57Z
aiohttp-3.11.18-cp310-cp310-macosx_10_9_x86_64.whl.sigstore.json

8.43 KB 2025-04-21T09:43:57Z
aiohttp-3.11.18-cp310-cp310-macosx_11_0_arm64.whl

447 KB 2025-04-21T09:43:58Z
aiohttp-3.11.18-cp310-cp310-macosx_11_0_arm64.whl.publish.attestation

8.73 KB 2025-04-21T09:43:57Z
aiohttp-3.11.18-cp310-cp310-macosx_11_0_arm64.whl.sigstore.json

8.43 KB 2025-04-21T09:43:57Z
aiohttp-3.11.18-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl

1.52 MB 2025-04-21T09:43:58Z
Source code (zip)

2025-04-21T08:58:47Z
Source code (tar.gz)

2025-04-21T08:58:47Z

19 Apr 21:37

3.11.17

Miscellaneous internal changes

Optimized web server performance when access logging is disabled by reducing time syscalls -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10713.
Improved web server performance when connection can be reused -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10714.
Improved performance of the WebSocket reader -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10740.
Improved performance of the WebSocket reader with large messages -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10744.

Assets 245

02 Apr 02:14

3.11.16

Bug fixes

Replaced deprecated asyncio.iscoroutinefunction with its counterpart from inspect
-- by :user:layday.

Related issues and pull requests on GitHub:
#10634.
Fixed :class:multidict.CIMultiDict being mutated when passed to :class:aiohttp.web.Response -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10672.

Assets 245

01 Apr 04:47

3.11.15

Bug fixes

Reverted explicitly closing sockets if an exception is raised during create_connection -- by :user:bdraco.

This change originally appeared in aiohttp 3.11.13

Related issues and pull requests on GitHub:
#10464, #10617, #10656.

Miscellaneous internal changes

Improved performance of WebSocket buffer handling -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10601.
Improved performance of serializing headers -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10625.

Assets 245

17 Mar 02:41

3.11.14

Bug fixes

Fixed an issue where dns queries were delayed indefinitely when an exception occurred in a trace.send_dns_cache_miss
-- by :user:logioniz.

Related issues and pull requests on GitHub:
#10529.
Fixed DNS resolution on platforms that don't support socket.AI_ADDRCONFIG -- by :user:maxbachmann.

Related issues and pull requests on GitHub:
#10542.
The connector now raises :exc:aiohttp.ClientConnectionError instead of :exc:OSError when failing to explicitly close the socket after :py:meth:asyncio.loop.create_connection fails -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10551.
Break cyclic references at connection close when there was a traceback -- by :user:bdraco.

Special thanks to :user:availov for reporting the issue.

Related issues and pull requests on GitHub:
#10556.
Break cyclic references when there is an exception handling a request -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10569.

Features

Improved logging on non-overlapping WebSocket client protocols to include the remote address -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10564.

Miscellaneous internal changes

Improved performance of parsing content types by adding a cache in the same manner currently done with mime types -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10552.

Assets 245

24 Feb 15:57

3.11.13

Bug fixes

Removed a break statement inside the finally block in :py:class:~aiohttp.web.RequestHandler
-- by :user:Cycloctane.

Related issues and pull requests on GitHub:
#10434.
Changed connection creation to explicitly close sockets if an exception is raised in the event loop's create_connection method -- by :user:top-oai.

Related issues and pull requests on GitHub:
#10464.

Packaging updates and notes for downstreams

Fixed test test_write_large_payload_deflate_compression_data_in_eof_writelines failing with Python 3.12.9+ or 3.13.2+ -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10423.

Miscellaneous internal changes

Added human-readable error messages to the exceptions for WebSocket disconnects due to PONG not being received -- by :user:bdraco.

Previously, the error messages were empty strings, which made it hard to determine what went wrong.

Related issues and pull requests on GitHub:
#10422.

Assets 245

06 Feb 00:24

3.11.12

Bug fixes

MultipartForm.decode() now follows RFC1341 7.2.1 with a CRLF after the boundary
-- by :user:imnotjames.

Related issues and pull requests on GitHub:
#10270.
Restored the missing total_bytes attribute to EmptyStreamReader -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10387.

Features

Updated :py:func:~aiohttp.request to make it accept _RequestOptions kwargs.
-- by :user:Cycloctane.

Related issues and pull requests on GitHub:
#10300.
Improved logging of HTTP protocol errors to include the remote address -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10332.

Improved documentation

Added aiohttp-openmetrics to list of third-party libraries -- by :user:jelmer.

Related issues and pull requests on GitHub:
#10304.

Packaging updates and notes for downstreams

Added missing files to the source distribution to fix Makefile targets.
Added a cythonize-nodeps target to run Cython without invoking pip to install dependencies.

Related issues and pull requests on GitHub:
#10366.
Started building armv7l musllinux wheels -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10404.

Contributor-facing changes

The CI/CD workflow has been updated to use upload-artifact v4 and download-artifact v4 GitHub Actions -- by :user:silamon.

Related issues and pull requests on GitHub:
#10281.

Miscellaneous internal changes

Restored support for zero copy writes when using Python 3.12 versions 3.12.9 and later or Python 3.13.2+ -- by :user:bdraco.

Zero copy writes were previously disabled due to :cve:2024-12254 which is resolved in these Python versions.

Related issues and pull requests on GitHub:
#10137.

Assets 245

18 Dec 21:16

3.11.11

Bug fixes

Updated :py:meth:~aiohttp.ClientSession.request to reuse the quote_cookie setting from ClientSession._cookie_jar when processing cookies parameter.
-- by :user:Cycloctane.

Related issues and pull requests on GitHub:
#10093.
Fixed type of SSLContext for some static type checkers (e.g. pyright).

Related issues and pull requests on GitHub:
#10099.
Updated :meth:aiohttp.web.StreamResponse.write annotation to also allow :class:bytearray and :class:memoryview as inputs -- by :user:cdce8p.

Related issues and pull requests on GitHub:
#10154.
Fixed a hang where a connection previously used for a streaming
download could be returned to the pool in a paused state.
-- by :user:javitonino.

Related issues and pull requests on GitHub:
#10169.

Features

Enabled ALPN on default SSL contexts. This improves compatibility with some
proxies which don't work without this extension.
-- by :user:Cycloctane.

Related issues and pull requests on GitHub:
#10156.

Miscellaneous internal changes

Fixed an infinite loop that can occur when using aiohttp in combination
with async-solipsism_ -- by :user:bmerry.

.. _async-solipsism: https://github.com/bmerry/async-solipsism

Related issues and pull requests on GitHub:
#10149.

Assets 230

05 Dec 23:49

3.11.10

Bug fixes

Fixed race condition in :class:aiohttp.web.FileResponse that could have resulted in an incorrect response if the file was replaced on the file system during prepare -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10101, #10113.
Replaced deprecated call to :func:mimetypes.guess_type with :func:mimetypes.guess_file_type when using Python 3.13+ -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10102.
Disabled zero copy writes in the StreamWriter -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10125.

Assets 230

01 Dec 23:25

3.11.9

Bug fixes

Fixed invalid method logging unexpected being logged at exception level on subsequent connections -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10055, #10076.

Miscellaneous internal changes

Improved performance of parsing headers when using the C parser -- by :user:bdraco.

Related issues and pull requests on GitHub:
#10073.

Assets 230