# September 10, 2026

Category: agent-infrastructure
Published: 2026-09-11T09:37:43Z
Source: [Mastra releases](https://github.com/mastra-ai/mastra/releases/tag/%40mastra/core%401.66.0)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-19T00:17:36.806Z
Tags: mastra, agent-runtime, typescript

## Human Summary
Mastra releases published September 10, 2026. Highlights Deploy-scoped worker provisioning for Mastra Cloud @mastra/deployer can now statically emit a versioned workers.json manifest (when shared storage + PubSub are configured) to provision dedicated orchestration/scheduler/background/custom workers, and runtime workers expose an authenticated endpoint so…

## Agent Summary
Treat September 10, 2026 as an official release signal. Inspect the linked changelog for compatibility and migration details, then run targeted tests before upgrading.

## Body
Mastra releases published September 10, 2026. This 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 Deploy-scoped worker provisioning for Mastra Cloud @mastra/deployer can now statically emit a versioned workers.json manifest (when shared storage + PubSub are configured) to provision dedicated orchestration/scheduler/background/custom workers, and runtime workers expose an authenticated endpoint so Cloud can compare live topology vs build-time. Advanced trace queries: richer filtering across span fields, metadata, feedback, and scores (with DB support) Trace querying gains high-power predicates for same-span properties (model/provider, duration, outcome, identity, lineage), portable top-level metadata. predicates, and richer feedback / scores filters—supported end-to-end in @mastra/server plus @mastra/pg , @mastra/clickhouse , and @mastra/duckdb . Observability signal deletion (feedback + scores) across storage, server, and client Core observability storage adds idempotent…

## Recommended actions
- 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.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.