v1.0.0.Alpha4

A2A Java SDK 1.0.0.Alpha4

Installation

Maven:

<dependency>
    <groupId>org.a2aproject.sdk</groupId>
    <artifactId>a2a-java-sdk-client</artifactId>
    <version>1.0.0.Alpha4</version>
</dependency>

Gradle:

implementation 'org.a2aproject.sdk:a2a-java-sdk-client:1.0.0.Alpha4'

Links

• Maven Central
• JavaDoc
• GitHub

Changes since v1.0.0.Alpha3

Full Changelog

What's Changed

• chore: Next SNAPSHOT version by @kabir in #675
• feat: add getMetadata method for RequestContext by @flex-myeonghyeon in #677
• fix: Add no-arg overload for getUserInput() in RequestContext to avoid by @ehsavoie in #673
• feat: Add an optional tenant parameter to the getExtendedAgentCard operation by @jmesnil in #610
• fix: correct AgentCard example in README by @CokeLee777 in #691
• fix!: Update a2a.proto changes by @ehsavoie in #687
• fix: Add javadoc for grpc transport server-side modules by @kabir in #680
• fix: Add javadoc for http-client module by @kabir in #681
• feat: Add tests for AUTH_REQUIRED by @kabir in #684
• refactor: use TransportProtocol enum in examples AgentCardProducer by @CokeLee777 in #696
• feat: improve TaskStore error reporting with domain-specific exceptio… by @kabir in #682
• chore: fix Javadoc by @jmesnil in #701
• fix!: rewrite PartTypeAdapter to use flat JSON format for Part serialization by @ehsavoie in #700
• feat!: update a2a.proto to upstream commit dec790a by @jmesnil in #705
• fix: Fixing Strimzi version to 0.50.1 instead of latest by @ehsavoie in #710
• docs: fix extractTextFromMessage snippet to use record accessors by @CokeLee777 in #713
• feat: propagate OTel context in async ops and fix TransportProtocol config injection by @ehsavoie in #707
• fix: Add Javadoc for the jsonrpc server-side components by @kabir in #679
• fix: Add Javadoc for rest transport server-side components by @kabir in #678
• fix: Use Kafka 4.2.0 for Kubernetes example by @kabir in #718
• fix: Setting the proper content type for errors. by @ehsavoie in #720
• feat: add convenience constructors to FileWithBytes by @ehsavoie in #706
• fix!: Update the name of A2A headers by @jmesnil in #709
• fix: Use case-insensitive matching for A2A headers in gRPC transport by @jmesnil in #721
• fix!: Rename blocking to returnImmediately in SendMessageConfiguration by @ehsavoie in #722
• chore: Upgrade kind to 0.31.0 by @ehsavoie in #725
• docs: restructure AI documentation into .agents and .claude directories by @kabir in #726
• fix: Reject SendMessage with mismatching contextId and taskId by @jmesnil in #728
• fix(rest): map invalid history length to InvalidParamsError by @Zhang-Charlie in #715
• fix: Return UnsupportedOperationError when extendedAgentCard capabili… by @kabir in #736
• fix!: Rename ListTaskPushNotificationConfig to plural `ListTaskPush… by @ehsavoie in #724
• fix: Extract taskId from URL path in HTTP+JSON CreateTaskPushNotifica… by @kabir in #734
• fix: update RestErrorMapper to handle RFC 7807 Problem Details error format by @ehsavoie in #737
• feat: add Docker/Podman test utilities for conditional test execution by @kabir in #740
• docs: Add skill to fix TCK errors by @kabir in #735
• fix: synchronize ClientTaskManager to prevent race condition in concu… by @kabir in #742
• feat!: New permanent groupId: org.a2aproject.sdk by @kabir in #750
• chore: Release 1.0.0.Alpha4 by @kabir in #751

New Contributors

• @Zhang-Charlie made their first contribution in #715

Full Changelog: v1.0.0.Alpha3...v1.0.0.Alpha4