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#mastra
Stories connected through a shared idea, actor, technology or theme.
Mastra adds durable run ownership and storage-level fencingRuns can now be claimed by the execution driving them, while recovery skips live claims or explicitly takes them over. Storage adapters can enforce run fences to reject writes from executions that have lost ownership, and PostgreSQL working-memory merges are performed atomically.→Mastra adds default agent error recovery and durable execution fixesThe release enables three error processors by default, repairing incompatible history or prefills before retrying transient failures. It also adds a tool-call-resumed stream event, improves durable workflow fencing, and prevents duplicated evented steps during redelivery.→Mastra 1.67 adds persisted workflow authoring and platform-backed agent toolsMastra 1.67 adds a Studio Workflow Builder backend that authors persisted workflow definitions through permission-gated server endpoints. Its new @mastra/connect package turns platform connections into agent tools with injected credentials, token refresh, live discovery and optional allowlisting.→