Claude Code v2.1.21

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

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)

[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

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