# CrewAI 1.15.13

- Product: CrewAI (https://whatsnew.fyi/product/crewai)
- Vendor: CrewAI
- Date: 2026-08-07
- Version: 1.15.13
- Original notes: https://github.com/crewAIInc/crewAI/releases/tag/1.15.13
- Permalink: https://whatsnew.fyi/product/crewai/releases/1.15.13

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

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- **fixed** — Fix preservation of provider on LiteLLM-routed models
- **fixed** — Harden brittle LLM event-bus mocks
- **fixed** — Fix underreporting of Anthropic cache token usage
- **security** — Bump h2 to version 4.4.1 to address security vulnerability GHSA-6hr6-w5qg-qmwg

##### What's Changed

###### Bug Fixes
- Fix preservation of provider on LiteLLM-routed models.
- Harden brittle LLM event-bus mocks.
- Fix underreporting of Anthropic cache token usage.
- Bump h2 to version 4.4.1 to address security vulnerability GHSA-6hr6-w5qg-qmwg.

###### Documentation
- Add DOCS_TRANSLATIONS workflow for locale synchronization.
- Fix broken README links, table of contents, and contribution guidance.
- Snapshot and changelog for version 1.15.12.

##### Contributors

@Vidit-Ostwal, @joaomdmoura, @lucasgomide, @theCyberTech