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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v2.1.248 27 Aug 2026

Launch options track whether the session is restricted

Not switched on

Useful2 Signal4

Permissions Notable

Launch options gained a restricted-session flag that defaults off, with no visible reader.

A restricted-session flag exists on launch options, defaulting to false, and what consumes it is not visible here.

What

The launch-options object gains a restricted-session flag with get and replace accessors, defaulting to false. What reads it beyond those accessors is not visible in this area of the build.

Evidence

replaceRestrictedSession

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

See this entry in the whole of v2.1.248 →