v1.0.0-alpha.0
Pre-release
Pre-release
1.0.0-alpha.0 (2026-05-11)
See the v0.3 -> v1.0-alpha.0 migration guide.
Note: Enabling backward compatibility with v0.3 is tracked in #452.
⚠ BREAKING CHANGES
- Drop support for node 18 (#368)
- Make ServerCallContext parameter mandatory across all places (#405)
- Remove JSON-RPC client (#353)
- Remove transport-specific exports (#404)
- Update codebase to use A2A 1.0.0 data model (#375)
- Remove A2AExpressApp (#363)
Features
- Add A2A Version Header (#422) (b5f3db7)
- Add cache-headers logic to the agent card handler (#435) (955b52b)
- Add resource scoping (#450) (c527086)
- Add support for custom authentication scheme and credentials in auth-headers (#430) (5a4389b)
- AgentCardSignature support (#448) (4a41a8c)
- Enforce events ordering (#437) (157cf48)
- Enriched Error Model (#427) (c130778)
- Implement listTasks method (#383) (7d4c472)
- Send current task as the first event after subscribing to it (#418) (4bfcf5f)
- Support multi-tenancy (#419) (1877877)