Kiro CLI v2.21.4
Kiro CLI v2.21.4 was released on .
Summary
Kiro CLI 2.21.4 makes finding your work faster with improved session search and streamlines your settings with a unified keyboard experience. We've also upgraded our V2 Harness Flag support for better integration. See what else has changed.
Release Context
- This was the 45th Kiro CLI release of 2026 tracked by Havoptic.
- It shipped 10 days after Kiro CLI v2.21.0 (September 1, 2026).
- Kiro CLI: ships every 4.6 days — 3 releases in the last month.
Why it matters: Find Sessions Faster With New Search Scope.
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Grok Build v1.0.32 (September 14, 2026)
- Grok Build v1.0.31 (September 13, 2026)
- Claude Code v2.1.270 (September 12, 2026)
- Antigravity CLI v1.2.2 (September 12, 2026)
- Claude Code v2.1.269 (September 11, 2026)
Compare Kiro CLI: vs Claude Code · vs OpenAI Codex CLI · vs Cursor · vs Gemini CLI · vs GitHub Copilot CLI · vs Devin Desktop · vs Antigravity CLI · vs Grok Build
Release Notes
Session Search Scope, V2 Harness Flag, and Unified Settings Keyboard. Learn more ->
Other Recent Kiro CLI Releases
- v2.20.0 (August 26, 2026)
- v2.19.0 (August 19, 2026)
- v2.18.0 (August 12, 2026)
- v2.17.0 (August 11, 2026)
- v2.16.0 (July 31, 2026)
All Kiro CLI releases · All AI coding tool releases on Havoptic