Claude Code v2.0.21
Claude Code v2.0.21 was released on .
Summary
- Support MCP structuredContent field in tool responses - Added an interactive question tool
Release Context
- This was the 128th Claude Code release of 2025 tracked by Havoptic.
- It shipped the same day as Claude Code v2.0.20 (October 16, 2025).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- GitHub Copilot CLI v0.0.346 (October 19, 2025)
- GitHub Copilot CLI v0.0.345 (October 18, 2025)
- GitHub Copilot CLI v0.0.344 (October 18, 2025)
- Gemini CLI v0.10.0-preview.2 (October 17, 2025)
- Gemini CLI v0.10.0-preview.1 (October 17, 2025)
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
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