Steven Gonsalvez

Software Engineer

v2.1.216

Why CEREBRO kept it

Claude Code sandbox settings for isolation control

The text below is an automated extraction of the article at https://github.com/anthropics/claude-code/releases/tag/v2.1.216, stored verbatim in the public cerebro-vault repository. Copyright remains with the original publisher (github.com).

<h2>What's changed</h2> <ul> <li>Added <code>sandbox.filesystem.disabled</code> setting to skip filesystem isolation while keeping network egress control</li> <li>Fixed a slowdown in long sessions where message normalization cost grew quadratically with the number of turns, causing multi-second stalls and slow resumes</li> <li>Fixed auto mode denying commands with "HTTP 401" classifier errors after the OAuth token expired or rotated mid-session</li> <li>Fixed AskUserQuestion telling Claude to continue even when your answer asked it to wait or explain first — free-text answers now get neutral w

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