@mastra/core@1.66.0 v1.5.0

mastra-ai/mastraSep 11, 2026 → Sep 11, 20261 day between releases

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Analyzing what changed between @mastra/core@1.66.0 and v1.5.0. This page updates automatically — usually within a minute.

The Two Releases

@mastra/core@1.66.0

September 10, 2026

Sep 11, 2026· 1 month ago

This release focuses on advanced observability capabilities, including richer trace queries with filtering, idempotent deletion of feedback and scores, and deploy-scoped worker provisioning for Mastra Cloud. Additionally, it introduces streaming reliability improvements and transform hooks for Observational Memory.

Full release notes
v1.5.0

Clypra v1.5.0

Sep 11, 2026· 1 month ago

Minimal release notes: "Automated multi-platform release bundle — macOS (arm64), Windows (x64), Linux (x64)."

Full release notes