Issues

• WebSocket message of exactly max_msg_size bytes is rejected unless compressed

  aio-libs/aiohttp#14352 · Filter by author chrikrah opened on Nov 9, 2026

• Direct stream writes mishandle scalar and final typed memoryviews

  aio-libs/aiohttp#14326 · Filter by author 0718lol opened on Nov 9, 2026

• Connection leaked when a trace callback raises during connection create or reuse

  aio-libs/aiohttp#14300 · Filter by author BlueX888 opened on Nov 6, 2026

• CookieJar rejects cookies with mixed-case Domain attributes

  aio-libs/aiohttp#14298 · Filter by author ZXLyyds100 opened on Nov 5, 2026
  1

• Compiled parser applies max_field_size to the header name only for the first field

  aio-libs/aiohttp#14295 · Filter by author parthod0x opened on Nov 5, 2026

• Client keeps a TLS connection open for up to 30 s after discarding it mid-response

  aio-libs/aiohttp#14279 · Filter by author AXEG0 opened on Nov 4, 2026
  1

• WebSocket writer does not enforce the RFC 6455 control frame rules

  aio-libs/aiohttp#14167 · Filter by author Omarinho12345 opened on Oct 26, 2026
  1

• Server WebSocket heartbeat is rearmed during close and survives public cleanup

  aio-libs/aiohttp#14125 · Filter by author tk147799 opened on Oct 25, 2026
  2

• FileResponse answers a satisfiable multi-range request with 416

  aio-libs/aiohttp#14124 · Filter by author chrikrah opened on Oct 25, 2026
  1

• EmptyStreamReader.total_raw_bytes raises AttributeError on a response with no body

  aio-libs/aiohttp#14098 · Filter by author chrikrah opened on Oct 22, 2026
  1

• AsyncResolver passes socket module flags to c-ares instead of c-ares ones

  bug
  aio-libs/aiohttp#14087 · Filter by author wRAR opened on Oct 20, 2026

• "Task exception was never retrieved" from ClientRequest.write_bytes() when a reused connection closes before the 100-continue preamble is sent

  bug
  aio-libs/aiohttp#14079 · Filter by author yjy2026 opened on Oct 20, 2026
  2

• Unretrieved "Cannot write to closing transport" exception from the shielded WebSocket send task when the sender is cancelled

  aio-libs/aiohttp#14060 · Filter by author cerealkiller57540 opened on Oct 16, 2026
  3

• RequestHandler.start() calls _request_factory after connection_lost() cleared it (TypeError: 'NoneType' object is not callable)

  bug
  aio-libs/aiohttp#14000 · Filter by author miztizm opened on Oct 8, 2026
  1

• Support QUERY HTTP method

  aio-libs/aiohttp#13890 · Filter by author asvetlov opened on Sep 30, 2026
  1

• HeadersDictProxy treats mixed-case duplicate headers as distinct keys

  aio-libs/aiohttp#13868 · Filter by author 00200200 opened on Sep 29, 2026
  4

• Migrate to a less uptight Dependabot config

  github_actionsinfra
  Meta

  aio-libs/aiohttp#13732 · Filter by author webknjaz opened on Sep 15, 2026
  5

• MultipartWriter.as_bytes() does not apply part Content-Encoding / Content-Transfer-Encoding, diverging from write()

  bug
  aio-libs/aiohttp#13495 · Filter by author 2sumtech opened on Aug 19, 2026
  5

• Dynamic routes with percent-encodable fixed segments (space, non-ASCII) are unreachable and url_for() URLs 404

  bug
  aio-libs/aiohttp#13433 · Filter by author Yanhaoxi opened on Aug 16, 2026
  1

• Content-Encoding with multiple codings is not decoded

  bug
  aio-libs/aiohttp#13364 · Filter by author Phaeilo opened on Aug 10, 2026
  6

• Proposal: rename async def close() to async def aclose() across aiohttp

  enhancement
  aio-libs/aiohttp#12922 · Filter by author socketpair opened on Jun 13, 2026
  6

• Check lru_cache usage in v4

  aio-libs/aiohttp#12916 · Filter by author Dreamsorcerer opened on Jun 13, 2026 · 4.0
  

• aioresponses is incompatible with aiohttp 3.14.0 - switch to aiointercept

  invalidquestion
  aio-libs/aiohttp#12815 · Filter by author adubovik opened on Jun 5, 2026
  11

• Memory tests

  enhancement
  aio-libs/aiohttp#12736 · Filter by author Dreamsorcerer opened on May 30, 2026
  3

• Fix type error with pytest-aiohttp

  aio-libs/aiohttp#12495 · Filter by author Dreamsorcerer opened on May 10, 2026 · 4.0