Issues

Issues

• Document 1.x is the actively supported stream, and not 0.3.x

  a2aproject/a2a-java#1321 · opened on Nov 12, 2026

• [Feat]: Support 1.1.0 of the A2A spec

  Feature

  a2aproject/a2a-java#1303 · opened on Nov 9, 2026

• [Bug]:Blocking SendMessage returns stale task state when the agent ends in an interrupted state (INPUT_REQUIRED / AUTH_REQUIRED)

  Bug

  a2aproject/a2a-java#1302 · opened on Nov 9, 2026
  1

• Agent Card signature verification (spec §8.4) is missing from the Java SDK

  a2aproject/a2a-java#1299 · opened on Nov 6, 2026

• HTTP+JSON CancelTask returns 409 Conflict instead of 400 Bad Request for TaskNotCancelableError

  a2aproject/a2a-java#1298 · opened on Nov 6, 2026
  5

• Task state transitions are not tracked

  Feature

  a2aproject/a2a-java#1222 · opened on Oct 13, 2026
  4

• No structured payload logging

  Feature

  a2aproject/a2a-java#1221 · opened on Oct 13, 2026
  1

• SSE streaming operation duration is incomplete — span ends at stream initiation

  Feature

  a2aproject/a2a-java#1220 · opened on Oct 13, 2026

• No business-level semantic attributes on spans

  Feature

  a2aproject/a2a-java#1218 · opened on Oct 13, 2026

• [Feat]: New release with the JSON BugFix

  Feature

  a2aproject/a2a-java#1211 · opened on Oct 12, 2026

• Enable checkstyle failOnViolation=true

  a2aproject/a2a-java#1206 · opened on Oct 6, 2026
  2

• [Bug]: JsonFormat parser fails on standard OpenAPI AgentCard (securityRequirements & securitySchemes)

  Bug

  a2aproject/a2a-java#1161 · opened on Sep 18, 2026
  2

• [Bug]: some observability capabilities loss on A2A

  Bug

  a2aproject/a2a-java#1132 · opened on Sep 7, 2026
  5

• ClientBuilder has no fallback to AgentCard#additionalInterfaces()/preferredTransport() (legacy 0.3 cards) when supportedInterfaces() is absent

  a2aproject/a2a-java#1121 · opened on Sep 1, 2026
  2

• [Bug]: SDK ships no native-image reachability metadata, breaking GraalVM builds

  a2aproject/a2a-java#1032 · opened on Aug 9, 2026
  3

• fix: handle blank push notification config id consistently across transports

  a2aproject/a2a-java#1012 · opened on Aug 5, 2026
  2

• How does the client record the task IDs that have been sent

  a2aproject/a2a-java#909 · opened on Jun 2, 2026
  2

• [Bug]: 0.3.3.Final - Agent terminates early when ADK tool returning RxJava Single hops threads

  Bug

  a2aproject/a2a-java#872 · opened on May 12, 2026
  7

• Improve SSE implemetnation for 0.3

  a2aproject/a2a-java#841 · opened on Apr 30, 2026

• [Feat]: Add Android support for A2A HTTP Client and decouple JdkA2AHttpClient (v0.3.x)

  Feature

  a2aproject/a2a-java#793 · opened on Apr 14, 2026
  12

• [Bug]: gRPC errors do not include google.rpc.ErrorInfo

  Bug

  a2aproject/a2a-java#731 · opened on Mar 12, 2026 · 1.0.0
  1

• [Bug]: A2A HTTP protocol upgrade fails when using Otel auto instrumentation due Netty

  Bug

  a2aproject/a2a-java#690 · opened on Feb 28, 2026
  9

• Service Discovery and Governance for A2A Java Implementations

  a2aproject/a2a-java#683 · opened on Feb 25, 2026
  1

• [Bug]: push notification is not implemented exactly according to the A2A protocol

  Bug

  a2aproject/a2a-java#952 · opened on Jan 15, 2026
  2

• Implement the currency conversion agent with A2A Protocol

  a2aproject/a2a-java#588 · opened on Jan 14, 2026