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Errors on GetSystemInfo and healthcheck endpoints for latest SDK versions

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Incident updates

Every update Temporal Cloud posted, oldest to newest, exactly as it appeared on their official status page.

  1. Identified

    Customers on the latest SDK versions may see decompression errors when calling the GetSystemInfo and gRPC health check endpoints, and in rare cases, some workflows may hit a non-determinism error (NDE) during replay. A fix for this is rolling out.

    Affected versions -

    Java 1.36.0

    Go 1.45.0

    TypeScript 1.19.0

    Rust 0.5.0

    Python 1.29.0

    Workaround - Disable gzip compression in the SDK client (set gRPC compression to none)

  2. Identified

    Fix is being rolled out across all regions, current impact is limited to us-west-2 and us-east-1 regions. All systems stable and we're actively monitoring this. Next update will be posted once rollouts completed.

  3. Monitoring

    The fix has been rolled out across all regions, and we are actively monitoring.

  4. Resolved

    The rollout is complete and resolves the compression issues. All listed affected versions should no longer experience any compression-related errors.

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