Resume-session filtering now checks a continuedInSessionId field, marking sessions that were continued in another session as superseded and filtering them out of the /resume picker; a new bookkeepingOnly flag also supports this.
Names in the bundle/resume
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Added since
A small documentation edit on Environment variables touched a line naming /resume after this was published.
| `CLAUDE_CODE_SESSIONEND_HOOKS_TIMEOUT_MS` | Override the time budget in milliseconds for [SessionEnd](/docs/en/hooks#sessionend) hooks. The value is also the timeout for each hook that sets no `timeout` of its own. Applies to session exi…env-vars see the edit
Confirmed since
Anthropic's documentation has since written up /resume, on Claude Code changelog.
* Fixed `/resume` listing a `/fork` background session under its parent's name instead of its own `⑂` fork namechangelog see the edit
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Anthropic's documentation agrees
Anthropic's documentation has since written up /resume, on Claude Code changelog.