3.9.0b1

Features

• Added WebSocketResponse.get_extra_info() to access a protocol transport's extra info.

  (#7078)

• Allow link argument to be set to None/empty in HTTP 451 exception.

  (#7689)

• Added shutdown_timeout parameter to BaseRunner, while
  deprecating shutdown_timeout parameter from BaseSite. -- by :user:Dreamsorcerer

  (#7718)

Bugfixes

• Fixed keep-alive connections stopping a graceful shutdown. -- by :user:Dreamsorcerer

  (#7718)

• Fixed ClientWebSocketResponse.close_code being erroneously set to None when there are concurrent async tasks receiving data and closing the connection.

  (#7306)

• Changed AppKey warning to web.NotAppKeyWarning and stop it being displayed by default. -- by :user:Dreamsorcerer

  (#7677)

• Fix issue with insufficient HTTP method and version validation.

  (#7700)

• Add check to validate that absolute URIs have schemes.

  (#7712)

• Fix unhandled exception when Python HTTP parser encounters unpaired Unicode surrogates.

  (#7715)

• Update parser to disallow invalid characters in header field names and stop accepting LF as a request line separator.

  (#7719)

• Fix py http parser not treating 204/304/1xx as an empty body

  (#7755)

• Ensure empty body response for 1xx/204/304 per RFC 9112 sec 6.3

  (#7756)

• Fixed an issue when a client request is closed before completing a chunked payload -- by :user:Dreamsorcerer

  (#7764)

• Edge Case Handling for ResponseParser for missing reason value

  (#7776)

• Fixed a rare RuntimeError: await wasn't used with future exception -- by :user:stalkerg

  (#7785)

Improved Documentation

• Fix, update, and improve client exceptions documentation.

  (#7733)

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