Issues

• [Bug]: Closing one client from a ClientFactory closes the shared httpx client for every other client

  a2aproject/a2a-python#1349 · Filter by author cchinchilla-dev opened on Oct 16, 2026
  

• [Bug]: A2A exceptions lost their structured __repr__ after the client error refactor (#761)

  a2aproject/a2a-python#1347 · Filter by author cchinchilla-dev opened on Oct 16, 2026
  

• [Bug]: A2A-Version sent as a request parameter is ignored (spec §3.6.1), so a v1.0 request is treated as 0.3

  a2aproject/a2a-python#1344 · Filter by author msteiner-google opened on Oct 16, 2026
  

• [Bug]: Client transports reject responses with unrecognized fields (spec 5.7)

  a2aproject/a2a-python#1341 · Filter by author fpt-long-hd opened on Oct 15, 2026
  1

  

• DefaultRequestHandler (v2) ignores queue_manager, so the per-task event queue bound (1,024) cannot be configured

  component: serverstatus: needs review
  Feature

  a2aproject/a2a-python#1339 · Filter by author swamx opened on Oct 14, 2026
  2

  

• [Bug]: Agent card signature verification raises raw binascii.Error on a malformed protected header instead of SignatureVerificationError

  component: corestatus:awaiting response
  Bug

  a2aproject/a2a-python#1332 · Filter by author Linux2010 opened on Oct 9, 2026
  1

  

• [Bug]: Framework-written FAILED status drops status.timestamp, persisting last_updated as NULL

  component: serverstatus:awaiting response
  Bug

  a2aproject/a2a-python#1331 · Filter by author Linux2010 opened on Oct 9, 2026
  2

  

• [Bug]: message/send hangs forever when the AgentExecutor returns without producing events

  component: serverstatus:awaiting response
  Bug

  a2aproject/a2a-python#1330 · Filter by author Linux2010 opened on Oct 9, 2026
  2

  

• Whole numbers in a data Part are returned as floats (e.g. 4326 becomes 4326.0)

  component: serverstatus:awaiting response
  Bug

  a2aproject/a2a-python#1328 · Filter by author carstenpiepel opened on Oct 9, 2026
  2

  

• [Feat]: Cluster mode: detect and recover tasks abandoned by a crashed replica (heartbeat/lease)

  component: serverstatus: needs review
  Feature

  a2aproject/a2a-python#1324 · Filter by author KashyapNasit opened on Oct 7, 2026
  4

  

• [Bug]: Cluster mode: SubscribeToTask on a replica holding a paused ActiveTask returns a stale INPUT_REQUIRED snapshot and closes

  component: serverstatus:awaiting response
  Bug

  a2aproject/a2a-python#1323 · Filter by author KashyapNasit opened on Oct 7, 2026
  1

  

• [Bug]: DefaultRequestHandlerV2 keeps the ActiveTask (producer, consumer, 2 dispatchers) alive forever after a direct Message or input-required response

  component: server
  Bug

  a2aproject/a2a-python#1296 · Filter by author christophstach opened on Oct 2, 2026
  4

  

• [Feat]: Change Httpx to Httpx2

  component: clientstatus: needs review
  Feature

  a2aproject/a2a-python#1288 · Filter by author armuria opened on Oct 1, 2026
  2

  

• [Bug]: Streaming follow-up on an existing task does not begin with a Task; enqueuing the current task drops the follow-up message from history

  component: server
  Bug

  a2aproject/a2a-python#1285 · Filter by author marcinbelczewski opened on Sep 30, 2026
  4

  

• Signing/verification canonicalization drops REQUIRED fields at their default value, breaks cross-SDK Agent Card signature verification

  component: core
  Bug

  a2aproject/a2a-python#1278 · Filter by author aeoess opened on Sep 24, 2026
  11

  

• [Bug]: Internal error messages leak into responses

  component: serverstatus:awaiting response
  Bug

  a2aproject/a2a-python#1232 · Filter by author d-orm-sat opened on Sep 9, 2026
  3

  

• [Bug]: get_info_for_dispatch default resolves to empty owner in multi-owner deployments

  component: servermaintainers-only
  Bug

  a2aproject/a2a-python#1231 · Filter by author mykytanetipa opened on Sep 8, 2026
  1

• [Feat]: NoSQL (MongoDB) TaskStore / PushNotificationConfigStore backend — production-verified reference implementation available

  component: serverstatus: needs review
  Feature

  a2aproject/a2a-python#1210 · Filter by author hanjoonchoe opened on Aug 27, 2026
  2

  

• [Bug]: Response Stream Array-Wrapping Crash (Transport Layer Mismatch)

  component: client
  Bug

  a2aproject/a2a-python#1089 · Filter by author xtan999 opened on May 29, 2026
  6

  

• Feat]: Client-side utility for assembling artifacts from update events

  component: clientmaintainers-only
  Feature

  a2aproject/a2a-python#1030 · Filter by author ishymko opened on Apr 29, 2026
  1

• [Task]: Prepare URL validation infrastructure for agent card and webhook SSRF protection

  component: core
  Task

  a2aproject/a2a-python#1023 · Filter by author ishymko opened on Apr 27, 2026
  4

• [Feat]: Agent card validation hook

  maintainers-only
  Feature

  a2aproject/a2a-python#975 · Filter by author ishymko opened on Apr 16, 2026
  5

• [Feat]: Generate Pydantic models from proto definition for Python-idiomatic validation for A2A Version 1.0.x

  component: core
  Feature

  a2aproject/a2a-python#884 · Filter by author Coding-Crashkurse opened on Mar 21, 2026
  33

• [Feat]: Add RetryTransport for automatic retry with exponential backoff

  component: client
  Feature

  a2aproject/a2a-python#871 · Filter by author cchinchilla-dev opened on Mar 19, 2026
  6

  

• [Feat]: Add streaming-aware helper for artifact updates

  component: corehelp wanted
  Feature

  a2aproject/a2a-python#833 · Filter by author kevinlu310 opened on Mar 15, 2026
  2