Grok Build v0.2.66
Grok Build v0.2.66 was released on .
Summary
Grok Build 0.2.66 gives you finer control over sandbox security with file-level deny rules and glob patterns, while fixing critical issues with plugin installation, marketplace reliability, and session management. You'll also notice smoother performance with better preview han...
Release Context
- This was the 58th Grok Build release of 2026 tracked by Havoptic.
- It shipped 1 day after Grok Build v0.2.65 (June 24, 2026).
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- Antigravity CLI v1.0.13 (June 27, 2026)
- OpenAI Codex CLI rust-v0.142.3 (June 26, 2026)
- Claude Code v2.1.195 (June 26, 2026)
- Kiro CLI v2.10.0 (June 26, 2026)
- Gemini CLI v0.49.0 (June 25, 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 0.2.66
- Custom sandbox profiles can now kernel-deny specific files and directories for reads/writes
- Marketplace plugins in subdirectories of a git repo can now be installed and loaded correctly
- Folder trust prompt now appears before starting a session when the feature is enabled
- Preview panes no longer hibernate while actively viewed
- Keyboard shortcuts help now expands inline for individual entries instead of only sections
- Idle detection can now ignore background tasks when the env flag is set (off by default)
- Sandbox deny lists now accept glob patterns like **/*.pem in addition to exact paths
- Local MCP servers now auto-recover after disconnects or session expiry
- OIDC sessions with XAI_API_KEY present no longer lose refresh on idle
- Inline video previews now show an install command only when the package manager is on PATH
- list_dir now reliably shows all immediate child directories even inside large monorepos
- Clicking a model in the dashboard /model dropdown no longer opens the wrong session
- Strikethrough now only applies to ~~double tildes~~; single ~tildes~ render literally
- Session cycling with Ctrl+[ / ] now switches from the session you are currently viewing
- Prompt history (Up / Ctrl+R) now shows the complete recent list instead of a scrambled partial one
- Authentication now correctly prefers the session method when both API key and cached token are present
- xychart-beta diagrams with category labels now render correctly as images
Other Recent Grok Build Releases
- v1.0.13 (August 28, 2026)
- v1.0.12 (August 27, 2026)
- v1.0.11 (August 26, 2026)
- v1.0.10 (August 24, 2026)
- v1.0.9 (August 24, 2026)
All Grok Build releases · All AI coding tool releases on Havoptic