You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
SessionsArea: what it touches
ImprovementsKind: in v2.1.290,
ImprovementsSection of the release
Unclear Nothing showing where this check is called or what switches it on was found, so it may not run yet.
What
Rewinding means going back to an earlier point in a conversation. Claude Code now has code that, before a rewind, asks the server whether a request would be accepted. If the server refuses, Claude Code sorts the refusal into one of several kinds.
The check is skipped for:
connections that do not go directly to Anthropic
low-priority sessions
sessions that are busy
sessions being watched for retries
Only a refusal tied to the five-hour or seven-day usage limit produces a report. Every other answer lets the rewind go on.
Why
A rewind could avoid sending a request that would only run into your usage limit.
How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtNothing showing where this check is called or what switches it on was found, so it may not run yet.
