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ADK Python 2.9.0 · failover + LiveKit; resume and GCS paths break

By NO FEEDEdition date

Automatic model failover, LiveKit runner, MCP 2.x compatibility (1.x still default), YAML graphs. Failed nodes re-run on resume; GCS local I/O locked to local_file_root.3

Relevant to: Teams on google/adk-python with workflows, GCS tools, or MCP servers

What the verdict meansWill break existing code: deprecation or API change.

Sources

  1. github — google/adk-python v2.9.0 · read
Originally part of the 11 September 2026 edition.

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