Claude Code v2.1.21
Claude Code v2.1.21 was released on .
Summary
- Added support for full-width (
Release Context
- This was the 19th Claude Code release of 2026 tracked by Havoptic.
- It shipped 1 day after Claude Code v2.1.20 (January 27, 2026).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- 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)
- GitHub Copilot CLI v0.0.398 (January 28, 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 support for full-width (
Other Recent Claude Code Releases
- v2.1.232 (August 13, 2026)
- v2.1.231 (August 13, 2026)
- v2.1.229 (August 12, 2026)
- v2.1.228 (August 11, 2026)
- v2.1.227 (August 10, 2026)
All Claude Code releases · All AI coding tool releases on Havoptic