Releases · Claude
Claude Code 2.1.63 release notes
- Version
- 2.1.63
- Released
- Status
- Stable release
What's new in Claude Code 2.1.63
The official notes for Claude Code 2.1.63 list 26 changes: 5 new features, 16 fixes, 1 performance improvement and 4 other changes.
- 5 new features
- 16 fixes
- 1 performance improvement
- 4 other changes
Highlights
- new feature Added /simplify and /batch bundled slash commands
- new feature Added ENABLE_CLAUDEAI_MCP_SERVERS=false env var to opt out from making claude.ai MCP servers available
- new feature Added HTTP hooks, which can POST JSON to a URL and receive JSON instead of running a shell command
- new feature Added manual URL paste fallback during MCP OAuth authentication. If the automatic localhost redirect doesn't work, you can paste the…
- new feature Added "Always copy full response" option to the /copy picker. When selected, future /copy commands will skip the code block…
Our short summary: changes are counted and classified automatically from the official notes, and highlights are shortened. The complete, authoritative list is in the official release notes on GitHub.
Full release notes on GitHub (Claude Code 2.1.63)
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