Claude Code v2.1.210
Claude Code v2.1.210 was released on .
Summary
Claude Code 2.1.210 adds a live counter to show long-running tool calls are working instead of appearing frozen, plus improved security isolation for subagents. We've also squashed several bugs affecting permissions, paste markers, and session reliability — check the full note...
Release Context
- This was the 166th Claude Code release of 2026 tracked by Havoptic.
- It shipped 1 day after Claude Code v2.1.209 (July 14, 2026).
- Claude Code: ships every 1.2 days — 25 releases in the last month.
Why it matters: See long tool calls actually running live.
Shipped around the same time
Within 3 days of this release, other AI coding tools also shipped:
- 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)
- OpenAI Codex CLI rust-v0.144.4 (July 14, 2026)
Compare 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
- Added a live elapsed-time counter to the collapsed tool summary line so long-running tool calls visibly tick instead of looking stuck
- Added a startup warning for Write(path), NotebookEdit(path), and Glob(path) permission rules — use Edit(path) or Read(path) instead
- Fixed isolation: 'worktree' subagents being able to run git-mutating commands against the main repo checkout instead of their own isolated worktree
- Fixed the ultracode keyword opt-in firing on non-human-originated input such as webhook payloads and relayed PR comments
- Fixed a rendered text fragment leaking into crash telemetry when a UI component returned content outside a styled text element
- Fixed paste markers leaking into external editors opened from Claude Code, which could appear as stray È/É characters around pasted text
- Fixed claude attach sometimes failing with "job not found" or "agent is still starting" errors during session transitions — attach now waits for the daemon to settle, and terminal resi
Other Recent Claude Code Releases
- v2.1.208 (July 13, 2026)
- v2.1.207 (July 10, 2026)
- v2.1.206 (July 9, 2026)
- v2.1.205 (July 8, 2026)
- v2.1.204 (July 8, 2026)
All Claude Code releases · All AI coding tool releases on Havoptic