Issues

• "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
  1

• 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
  1

• 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

• 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

• support webtransport

  enhancement
  aio-libs/aiohttp#12384 · Filter by author ghost opened on Apr 17, 2026
  1

• Alternative to passing router to the application?

  Feature

  aio-libs/aiohttp#11840 · Filter by author mcfletch opened on Dec 15, 2025 · 4.0
  7

• Please provide a way for sysadmins to force use of an HTTP proxy server

  enhancement
  aio-libs/aiohttp#11839 · Filter by author mtdcr opened on Dec 14, 2025
  10

• Providing a better abstract layer for Client/Server for implementing future current and future http protocols

  enhancement
  aio-libs/aiohttp#11743 · Filter by author Vizonex opened on Nov 4, 2025
  3

• [TODO] Use truststore in place of ssl by default

  enhancementHacktoberfestneed pull request
  Feature

  aio-libs/aiohttp#11705 · Filter by author webknjaz opened on Oct 22, 2025
  3

• Tracing has a weird integration with Client Middlewares

  aio-libs/aiohttp#11438 · Filter by author Dreamsorcerer opened on Aug 19, 2025
  1

  

• Revert cookie changes in Python 3.15

  aio-libs/aiohttp#11400 · Filter by author Dreamsorcerer opened on Aug 9, 2025 · 4.0
  4

• Expose _RequestOptions as a public member

  enhancement
  aio-libs/aiohttp#11385 · Filter by author dpgraham4401 opened on Aug 4, 2025
  4

• Allow changing connector limit on runtime

  enhancement
  aio-libs/aiohttp#11350 · Filter by author siddhpant opened on Jul 28, 2025
  2

• Add support of PROXY protocol for TLS (and without as well) web server

  enhancement
  aio-libs/aiohttp#11252 · Filter by author socketpair opened on Jul 1, 2025
  1

• Add quote_cookie parameter for the case when cookies parameter is used

  enhancement
  aio-libs/aiohttp#11249 · Filter by author whode opened on Jun 30, 2025
  1