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Claude Code Changelog - Release Notes & Version History

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239 releases|Latest v2.1.75|Last Update Mar 13, 2026

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v2.1.21Claude Code Release NotesJan 28, 2026

Release containing 1 new feature, 2 improvements, 5 fixes, and 2 other updates.

Total Changes

10

Days Since Previous Release

1

Version Type

Patch

Release Focus

Mixed

Category Breakdown

2

5

2

Added (1)

Improved (2)

Fixed (5)

Other (2)

Changes in Claude Code v2.1.21

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Added1 change

•Added support for full-width (zenkaku) number input from Japanese IME in option selection prompts

Improved2 changes

•Improved read/search progress indicators to show "Reading…" while in progress and "Read" when complete
•Improved Claude to prefer file operation tools (Read, Edit, Write) over bash equivalents (cat, sed, awk)

Fixed5 changes

•Fixed shell completion cache files being truncated on exit
•Fixed API errors when resuming sessions that were interrupted during tool execution
•Fixed auto-compact triggering too early on models with large output token limits
•Fixed task IDs potentially being reused after deletion
•Fixed file search not working in VS Code extension on Windows

Other2 changes

•[VSCode] Added automatic Python virtual environment activation, ensuring python and pip commands use the correct interpreter (configurable via claudeCode.usePythonEnvironment setting)
•[VSCode] Fixed message action buttons having incorrect background colors

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