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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 v2.1.101 10 Apr 2026

/update Command [In Development]

What

An in-session command to switch to the latest Claude Code version while preserving the current conversation.

Status

Disabled (isEnabled: () => !1) and hidden (isHidden: !0)

Details

Description: "Switch to the latest version (conversation continues)"
Does not support non-interactive mode
When enabled, would allow users to upgrade without losing their session context

Evidence

Update command (search for "Switch to the latest version (conversation continues)")

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

See this entry in the whole of v2.1.101 →