Sweep 19 Sep 2026 · 02:36Z Build v2.1.278 500 read Stable v2.1.267 Latest v2.1.278 Next v2.1.278 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.257 ·

/btw command reworked to track conversation history and in-flight questions

/btw now remembers past exchanges and re-shows the previous answer instead of the usage hint when re-run.

TierUse it nowhow much it should matter to you
Useful5my rating, 1 to 5
Signal3worth watching, 1 to 5
AreaSlash Commandswhat it touches
KindImprovementsin v2.1.257,
Use it now

/btw now remembers past exchanges and re-shows the previous answer instead of the usage hint when re-run.

The /btw command now keeps a history of past exchanges (btwHistory) and detects when a question is still in flight. Re-invoking /btw without a new question shows the prior response, or a fallback notice, rather than repeating the Usage: /btw <your question> prompt. Usage is now tracked via a persisted btwUseCount counter.

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Names in the bundle/btw
Since it was published

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.

Confirmed since Anthropic's documentation has since written up /btw, on Claude Code changelog. * Fixed `/btw` answers that contained made-up tool calls and output: the side question is now told not to write them, and any that appear are flagged as not executed changelog see the edit
How sure we are
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up /btw, on Claude Code changelog.
Anthropic's release notes agreeFixed ← doing nothing in the /btw panel inside a claude agents session: it now returns to the agents list (even mid-answer), and the panel…

See this entry in the whole of v2.1.257 →