2.10.1 2.11.0
medium risk
modelcontextprotocol/inspectorOct 8, 2026 → Oct 14, 20266 days between releases
What's New
Upgraded MCP SDK and fixed auth/lease handling issues.
New Features
- Web UI feature to hide elements (truncated note)
Improvements
- Upgraded MCP TypeScript SDK to version 2.3.1
- Updated git workflow to use new worktrees for development
Bug Fixes
- Fixed gate-lease locking to use a fixed per-user path instead of TMPDIR
- Fixed CLI write-back to correctly sync fresh on-disk entries
- Fixed auth secrets to carry stripped-namespace data before purging
- Fixed remote HTTP status relay for auto-era fallback logic
Upgrade Notes
Upgrading requires no configuration changes, though it includes a dependency bump to the MCP TypeScript SDK 2.3.1. Be aware of the gate-lease lock change which now uses a fixed per-user path instead of TMPDIR, affecting multi-user setups.
The Two Releases
2.10.1
2.10.1
Oct 8, 2026· 14 days ago
A patch release that fixes a regression in the default command execution where the new `mcpdo` binary conflicted with the expected `launcher` binary, restoring the `npx @modelcontextprotocol/inspector` alias functionality.
Full release notes