v1.28.0

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Temporal·1 year ago · Jun 27, 2025, 09:12 PMDeprecationMay break your integrationAI-assisted summary

Summary

Required core schema upgrades (MySQL, PostgreSQL, Cassandra) and a breaking change for Worker Versioning deployments – you must delete and recreate deployments when moving from v1.27.x to v1.28.0.
Multiple new features: Update With Start workflow updates, Nexus enhancements (multiple callers, callback‑link association, cancellation types), Simple Task Queue priority, and public preview of Worker Versioning APIs.
Operator and runtime improvements: richer activity details in DescribeWorkflow, ability to reset workflows with pending child runs, and raw history event transmission to reduce CPU usage.

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