Claude Code 2.1.305 adds nested sandbox namespaces, multi-step agent tool, prompt tokens up 22%
ClaudeCodeLog · x · 2026-10-21
Third-party tracker ClaudeCodeLog breaks down the Claude Code CLI 2.1.305 update (released 24h after 2.1.304):
- CLI changes: new claude-lsremote-F command, removed APITIMEOUTMS env var; bundle size +655.2 kB (+1.0%)
- Prompt growth: prompt files +3 (+12.5%), prompt tokens +8,852 (+22.4%), with system prompts rising from 45.7% to 48.6% of the mix
- Sandboxing: new sandbox.allowNestedUserNamespaces lets sandboxed Linux commands create user namespaces (Chromium, rootless podman)
- Unattended retries: new config makes the retry watchdog notice lifted usage limits sooner
- New tools: a Bash execution tool and a tool to spawn a new agent for complex multi-step tasks
Related event: Claude Code 2.1.305 Ships 38 CLI Updates Boosting Subagents and Sandbox(3 posts)→
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