Kiro CLI v2.12.3

Release Context

• This was the 33rd Kiro CLI release of 2026 tracked by Havoptic.
• It shipped 1 day after Kiro CLI v2.12.2 (July 14, 2026).

Shipped around the same time

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

• Claude Code v2.1.212 (July 16, 2026)
• Gemini CLI v0.51.0 (July 16, 2026)
• OpenAI Codex CLI rust-v0.144.5 (July 16, 2026)
• GitHub Copilot CLI v1.0.71 (July 16, 2026)
• Antigravity CLI v1.1.3 (July 16, 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