# A2A Protocol v1.1.0-rc

Category: agent-infrastructure
Published: 2026-10-29T12:05:26Z
Source: [A2A Protocol releases](https://github.com/a2aproject/A2A/releases/tag/v1.1.0-rc)
Agent usefulness: 72/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-29T14:17:49.955Z
Tags: a2a, interoperability, protocol

## Human Summary
A2A Protocol released v1.1.0-rc, containing branch synchronization maintenance.

## Agent Summary
A2A Protocol version v1.1.0-rc released. The changelog notes a maintenance commit: 'chore: merge main into dev 1.1'.

## Body
The A2A Protocol project published release v1.1.0-rc. The provided release notes document a chore commit merging the main branch into dev 1.1. No additional features, bug fixes, or breaking changes are detailed in the excerpt.

## Recommended actions
- Check the v1.1.0-rc release branch or full repository diff for detailed changes included in the 1.1 release candidate.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.