Grok Build v1.0.21
Grok Build v1.0.21 was released on .
Summary
Grok Build 1.0.21 fixes frustrating duplicate session issues when you're working on the welcome screen, and keeps your permission settings exactly where you left them. We've also made the interface much more stable on smaller screens. Check the full release notes to see what e...
Release Context
- This was the 134th Grok Build release of 2026 tracked by Havoptic.
- It shipped the same day as Grok Build v1.0.20 (September 4, 2026).
- Grok Build: ships every 1.7 days — 12 releases in the last month.
Why it matters: Stop losing your permission mode settings.
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Claude Code v2.1.263 (September 6, 2026)
- Antigravity CLI v1.1.27 (September 5, 2026)
- OpenAI Codex CLI rust-v0.153.4 (September 4, 2026)
- OpenAI Codex CLI rust-v0.153.3 (September 4, 2026)
- Claude Code v2.1.261 (September 4, 2026)
Compare Grok Build: vs 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
Grok Build 1.0.21
- Permission mode stays visible in plan mode and is restored on exit
- Typing, pasting, or Shift+Tab on the welcome screen opens the session instead of creating a duplicate
- Dock sections, queue body, and reveal rows stay within height limits on crowded terminals
Other Recent Grok Build Releases
- v1.0.25 (September 9, 2026)
- v1.0.24 (September 7, 2026)
- v1.0.23 (September 7, 2026)
- v1.0.19 (September 4, 2026)
- v1.0.18 (September 2, 2026)
All Grok Build releases · All AI coding tool releases on Havoptic