Claude Code 2.1.31 release notes

Version

2.1.31

Released

4 February 2026

Status

Stable release

What's new in Claude Code 2.1.31

The official notes for Claude Code 2.1.31 list 11 changes: 2 new features, 5 fixes and 4 other changes.

• 2 new features
• 5 fixes
• 4 other changes

Highlights

• new feature Added session resume hint on exit, showing how to continue your conversation later
• new feature Added support for full-width (zenkaku) space input from Japanese IME in checkbox selection
• fix Fixed PDF too large errors permanently locking up sessions, requiring users to start a new conversation
• fix Fixed bash commands incorrectly reporting failure with "Read-only file system" errors when sandbox mode was enabled
• fix Fixed a crash that made sessions unusable after entering plan mode when project config in ~/.claude.json was missing default fields

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 2.1.31)

All Claude Code release notes · All releases

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