43.280.2 @mastra/core@1.71.0
medium risk
hcengineering/platformJul 24, 2026 → Sep 25, 202663 days between releases
What's New
Introduces observability, eager tool execution, Discord, and removes UI props from TaskList.
Breaking Changes
- Removed 'title', 'TaskListHeader', and 'hideWhenEmpty' from @mastra/playground-ui TaskList API
New Features
- Observability capabilities negotiation via new endpoints
- Eager tool execution to reduce idle time
- New Discord integration for slash commands
- MongoDB Vector server-side embedding generation
- Trace Aggregation Planning API
Improvements
- Per-endpoint discovery features for observability stores
- New 'connect environment()' function to materialize Platform connection credentials
- Support for 'feedback' observability storage feature
- RE2-based regex validation for dataset schemas to prevent denial-of-service
- Discovery routes return empty results for unsupported features
Upgrade Notes
Code using the `TaskList` API in `@mastra/playground-ui` must be updated to remove the `title`, `TaskListHeader`, and `hideWhenEmpty` props.
The Two Releases
43.280.2
43.280.2
Jul 24, 2026· 3 months ago
Fixes a bug in preset helpers to ensure specific rules only apply to actions.
Full release notes@mastra/core@1.71.0
September 24, 2026
Sep 25, 2026· 27 days ago
This release introduces observability capabilities negotiation, eager tool execution for faster streaming, and new Discord integration. It adds server-side embedding generation for MongoDB Vector and a trace aggregation planning API.
Full release notes