v4.16.12
punkpeye/fastmcpv4.16.12Aug 27, 2026by github-actions[bot]
AI Summary
Improves security and session lifecycle management by obscuring sensitive identifiers during rejections and ensuring proper invalidation upon closure.
Key Highlights
- Hide the session ID from rejections
- Invalidate session ID on close
Full Release Notes
## [4.16.12](https://github.com/punkpeye/fastmcp/compare/v4.16.11...v4.16.12) (2026-08-27) ### Bug Fixes * **edge:** hide the session id from rejections and invalidate it on close ([#341](https://github.com/punkpeye/fastmcp/issues/341)) ([f320abe](https://github.com/punkpeye/fastmcp/commit/f320abe6963208b4756ec53e08a92db3df97d033))