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mastra
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Mastra published @mastra/[email protected] on 2026-10-01 (~08:36Z; 124 commits vs 1.72.0): default stability errorProcessors (ProviderHistoryCompat, PrefillErrorHandler, StreamErrorRetryProcessor); new tool-call-resumed stream chunk; rewrite invalid Anthropic tool-call IDs outbound; export findGatewayForModel/getGatewayId; subagent model resolution with caller requestContext.

Key Takeaways

  • ✓npm @mastra/[email protected] at 2026-10-01T08:36:38Z; 124 commits vs 1.72.0
  • ✓Default errorProcessors (#24473): history compat → prefill handler → stream retry; opt out with errorProcessorDefaults:false
  • ✓New tool-call-resumed chunk (#25491) before tool-result for suspend/approval resumes
  • ✓Rewrite invalid Anthropic tool-call IDs outbound (#24505); export findGatewayForModel/getGatewayId
  • ✓npm i @mastra/[email protected]; https://mastra.ai/docs
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Project Links & Resources

Direct Access
Direct access to official project resources and documentation
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Compare @mastra/[email protected]
github.com/mastra-ai/mastra/compare/@mastra/[email protected]...@mastra/[email protected]
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@mastra/core CHANGELOG
github.com/mastra-ai/mastra/blob/main/packages/core/CHANGELOG.md
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@mastra/core 1.73.0 on npm
www.npmjs.com/package/@mastra/core/v/1.73.0
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Mastra docs
mastra.ai/docs
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PR #24473 stability processors default
github.com/mastra-ai/mastra/pull/24473
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PR #25491 tool-call-resumed
github.com/mastra-ai/mastra/pull/25491
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`#24505`
github.com/mastra-ai/mastra/pull/24505
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仓库
github.com/mastra-ai/mastra
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In-Depth Technical Analysis

Background

Production agents hit provider history/prefill rejections, ambiguous suspend/approval resumes, and Anthropic invalid tool-call IDs that fail before repair.

What shipped

@mastra/[email protected] (124 commits vs 1.72.0): default errorProcessors (#24473); tool-call-resumed (#25491); outbound Anthropic tool-call ID rewrite (#24505); findGatewayForModel/getGatewayId; resolveSubagentModel with requestContext.

Benchmarks

No TTFT/SWE numbers—framework stability release. Anchor: npm 2026-10-01T08:36:38Z; ahead_by 124.

Get started

npm i @mastra/[email protected]. Docs: https://mastra.ai/docs