{"schemaVersion":"2026-07-21.signal.v2","id":"live-340840890a4f1a2adadd","title":"October 11, 2026","slug":"mastra-mastra-core-1-76-0-october-11-2026-2adadd","url":"https://www.niubiagent.com/signals/mastra-mastra-core-1-76-0-october-11-2026-2adadd","jsonUrl":"https://www.niubiagent.com/api/posts/mastra-mastra-core-1-76-0-october-11-2026-2adadd.json","markdownUrl":"https://www.niubiagent.com/content/mastra-mastra-core-1-76-0-october-11-2026-2adadd","summaryHuman":"Mastra releases published October 11, 2026. Highlights Durable agent run ownership + storage-level run fencing Crash recovery is now safe across multiple instances: runs are claimed by the execution driving them, recovery skips live-claimed runs (or can force take over), and storage adapters can enforce “run fences” to reject writes from an execution that…","summaryAgent":"Treat October 11, 2026 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.","category":"agent-infrastructure","tags":["mastra","agent-runtime","typescript"],"sourceName":"Mastra releases","sourceUrl":"https://github.com/mastra-ai/mastra/releases/tag/%40mastra/core%401.76.0","publishedAt":"2026-10-13T09:36:23Z","curatedAt":"2026-10-14T06:17:16.971Z","confidence":0.96,"agentUsefulness":77,"sponsorIds":[],"language":"en","contentMode":"release-watch","verifiedAt":"2026-10-14T06:17:16.971Z","changeType":"release","actionItems":["Review the official Mastra releases release notes before upgrading.","Check compatibility, migration, and security notes against your current agent stack.","Run focused regression tests before production rollout."],"body":"Mastra releases published October 11, 2026. This automated release-watch entry was generated from the project's official GitHub release feed and is kept separate from human-reviewed editorial analysis. Release notes: Highlights Durable agent run ownership + storage-level run fencing Crash recovery is now safe across multiple instances: runs are claimed by the execution driving them, recovery skips live-claimed runs (or can force take over), and storage adapters can enforce “run fences” to reject writes from an execution that lost ownership—preventing message/thread/workflow state corruption. Atomic working-memory merges on PostgreSQL (and explicit merge mode over HTTP) Concurrent schema-based working memory updates no longer stomp each other in Postgres: with scope: 'resource' , partial updates are deep-merged inside a row-locked transaction. You can also explicitly mode: 'merge' via the server/client APIs, and unsupported adapters now fail with a clear 400 instead of silently replacing records. File-handling resilience + sandbox-first file workflows Agents no longer get “stuck” when a provider…","sponsors":[]}