Sourced from aiohttp's releases.

3.9.1

Bugfixes

• Fixed importing aiohttp under PyPy on Windows.

  (#7848)

• Fixed async concurrency safety in websocket compressor.

  (#7865)

• Fixed ClientResponse.close() releasing the connection instead of closing.

  (#7869)

• Fixed a regression where connection may get closed during upgrade. -- by :user:Dreamsorcerer

  (#7879)

• Fixed messages being reported as upgraded without an Upgrade header in Python parser. -- by :user:Dreamsorcerer

  (#7895)

---

3.9.0

Features

• Introduced AppKey for static typing support of Application storage. See https://docs.aiohttp.org/en/stable/web_advanced.html#application-s-config

  (#5864)

• Added a graceful shutdown period which allows pending tasks to complete before the application's cleanup is called. The period can be adjusted with the shutdown_timeout parameter. -- by :user:Dreamsorcerer. See https://docs.aiohttp.org/en/latest/web_advanced.html#graceful-shutdown

  (#7188)

• Added handler_cancellation <https://docs.aiohttp.org/en/stable/web_advanced.html#web-handler-cancellation>_ parameter to cancel web handler on client disconnection. -- by :user:mosquito This (optionally) reintroduces a feature removed in a previous release. Recommended for those looking for an extra level of protection against denial-of-service attacks.

  (#7056)

• Added support for setting response header parameters max_line_size and max_field_size.

... (truncated)

Sourced from aiohttp's changelog.

3.9.1 (2023-11-26)

Bugfixes

• Fixed importing aiohttp under PyPy on Windows.

  [#7848](https://github.com/aio-libs/aiohttp/issues/7848) <https://github.com/aio-libs/aiohttp/issues/7848>_

• Fixed async concurrency safety in websocket compressor.

  [#7865](https://github.com/aio-libs/aiohttp/issues/7865) <https://github.com/aio-libs/aiohttp/issues/7865>_

• Fixed ClientResponse.close() releasing the connection instead of closing.

  [#7869](https://github.com/aio-libs/aiohttp/issues/7869) <https://github.com/aio-libs/aiohttp/issues/7869>_

• Fixed a regression where connection may get closed during upgrade. -- by :user:Dreamsorcerer

  [#7879](https://github.com/aio-libs/aiohttp/issues/7879) <https://github.com/aio-libs/aiohttp/issues/7879>_

• Fixed messages being reported as upgraded without an Upgrade header in Python parser. -- by :user:Dreamsorcerer

  [#7895](https://github.com/aio-libs/aiohttp/issues/7895) <https://github.com/aio-libs/aiohttp/issues/7895>_

---

3.9.0 (2023-11-18)

Features

• Introduced AppKey for static typing support of Application storage. See https://docs.aiohttp.org/en/stable/web_advanced.html#application-s-config

  [#5864](https://github.com/aio-libs/aiohttp/issues/5864) <https://github.com/aio-libs/aiohttp/issues/5864>_

• Added a graceful shutdown period which allows pending tasks to complete before the application's cleanup is called. The period can be adjusted with the shutdown_timeout parameter. -- by :user:Dreamsorcerer. See https://docs.aiohttp.org/en/latest/web_advanced.html#graceful-shutdown

  [#7188](https://github.com/aio-libs/aiohttp/issues/7188) <https://github.com/aio-libs/aiohttp/issues/7188>_

• Added handler_cancellation <https://docs.aiohttp.org/en/stable/web_advanced.html#web-handler-cancellation>_ parameter to cancel web handler on client disconnection. -- by :user:mosquito This (optionally) reintroduces a feature removed in a previous release.

... (truncated)

• 6333c02 Release v3.9.1 (#7911)
• 9dbd273 [PR #7673/aa7d1a8f backport][3.9] Document release process (#7909)
• dd175b6 Fix regression with connection upgrade (#7879) (#7908)
• 946523d Fix flaky websocket test (#7902) (#7904)
• ddc2a26 [PR #7896/9a7cfe77 backport][3.9] Fix some flaky tests (#7900)
• 2ae4d6f Message is not upgraded if Upgrade header is missing (#7895) (#7898)
• bb11101 Restore async concurrency safety to websocket compressor (#7865) (#7889)
• 6dd0122 Update dependabot.yml (#7888)
• 41a9f1f Bump mypy from 1.7.0 to 1.7.1 (#7882)
• a049701 Fix usage of proxy.py in test_proxy_functional (#7773) (#7876)
• Additional commits viewable in compare view

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