You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Slash CommandsArea: what it touches
ImprovementsKind: in v2.1.309,
ImprovementsSection of the release
What
The /rewind dialog lists your earlier messages so you can go back to one of them. Next to each message it shows how many file changes it made. Claude Code used to work out these counts for every message at the same time.
It now works through the messages from the newest back, remembers results it has already worked out, and gives the work a time limit. The work can also be stopped part-way, for example when you close the dialog.
Why
On long sessions that changed many files, /rewind should open and respond faster.
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed the /rewind list showing "No code changes" for a turn that changed checkpointed files through /code-review --fix, a subagent or a…