Mastra 1.74.0 released
@mastra/playground-ui: anchorTraceId removed from ThreadViewByTrace, TraceThreadPanel, and ThreadTrace; ThreadTrace.LoadMoreSentinel removed. Use pageSize and onLoadOlder on ThreadTrace to control…; Added agent.getMessages() to tool execution context in…
What changed
- @mastra/playground-ui: anchorTraceId removed from ThreadViewByTrace, TraceThreadPanel, and ThreadTrace; ThreadTrace.LoadMoreSentinel removed. Use pageSize and onLoadOlder on ThreadTrace to control…
- Added agent.getMessages() to tool execution context in standard and durable agent loops. Tools can read the current conversation, including remembered messages and in-run responses, without…
- Added group filtering and generation ordering to observational memory history. For example, getObservationalMemoryHistory(threadId, resourceId, 1, { groupId, sortDirection: "ASC" }) finds the…
- Update provider registry and model documentation with latest models and providers (ac54c46)
- Fixed chat channel agents ignoring mentions of their current display name after being renamed. For example, a Slack app renamed from acme-bot to helper now responds to @helper in channels, instead…
- Raise transitive security dependency floors (dompurify, js-yaml, @ai-sdk/provider-utils) and bump nested/template deps (nodemailer, fastify, hono, ajv) for the 2026-10-01 Vanta remediation pass.…
- Repository-backed Slack sessions can now recover from a failed gh authentication attempt without restarting the session. Refresh GitHub access, then retry the failed command: (#25545)
- Fixed Slack-triggered Factory runs failing with "No usable credential" after a server restart. Slack mentions, DMs, and thread replies now load the linked user's model credentials…
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