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.

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