Claude Code v2.1.23

Claude Code v2.1.23 was released on January 29, 2026.

Summary

- Added customizable spinner verbs setting (spinnerVerbs) - Fixed mTLS and proxy connectivity for users behind corporate proxies or using client certificates - Fixed per-user temp directory isolati...

Release Context

This was the 21st Claude Code release of 2026 tracked by Havoptic.
It shipped 1 day after Claude Code v2.1.22 (January 28, 2026).

Shipped around the same time

Within 3 days of this release, other AI coding tools also shipped:

OpenAI Codex CLI rust-v0.93.0 (January 31, 2026)
GitHub Copilot CLI v0.0.400 (January 30, 2026)
Devin Desktop v1.9544.24 (January 30, 2026)
Devin Desktop v1.9544.26 (January 30, 2026)
GitHub Copilot CLI v0.0.399 (January 29, 2026)

Compare Claude Code: vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs Kiro CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI

Release Notes

Added customizable spinner verbs setting (spinnerVerbs)
Fixed mTLS and proxy connectivity for users behind corporate proxies or using client certificates
Fixed per-user temp directory isolation to prevent permission conflicts on shared systems
Fixed a race condition that could cause 400 errors when prompt caching scope was enabled
Fixed pending async hooks not being cancelled when headless streaming sessions ended
Fixed tab completion not updating the input field when accepting a suggestion
Fixed ripgrep search timeouts silently returning empty results instead of reporting errors
Improved terminal rendering performance with optimized screen data layout
Changed Bash commands to show timeout duration alongside elapsed time
Changed merged pull requests to show a purple status indicator in the prompt footer
[IDE] Fixed model options displaying incorrect region strings for Bedrock users in headless mode

View original release

Other Recent Claude Code Releases

v2.1.215 (July 19, 2026)
v2.1.214 (July 18, 2026)
v2.1.212 (July 16, 2026)
v2.1.211 (July 15, 2026)
v2.1.210 (July 14, 2026)

All Claude Code releases · All AI coding tool releases on Havoptic