Grok Build v0.2.121: Major Reliability Pass and Background Subagent Improvements
XFreeze · x · 2026-08-06
Grok Build v0.2.121 introduces several feature updates and reliability enhancements:
- Dashboard & Session Optimization: Dashboard rows now summarize the agent's previous turn. Clients can reattach to running sessions without replaying transcripts, and large forks consume significantly less memory.
- Background & Subagents: When a subagent runs in the background, the parent agent is now reminded to stay on the original task.
- UX Details: Auto theme works over SSH and tmux. A huge reliability pass covers MCP images, queued prompts, and plan-mode tools.
Related event: Grok Build Update Enhances Background Agents and Reliability(3 posts)→
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