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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.280 ·

Auto mode now backs off and stops the turn if the server-side safety check stays unavailable

Auto mode now shows a countdown and eventually stops the turn if its server-side safety check keeps failing

TierNothing to try yethow much it should matter to you
Useful3my rating, 1 to 5
Signal3worth watching, 1 to 5
AreaAuto Modewhat it touches
KindIn Developmentin v2.1.280,
Group of 2 Nothing to try yet

Auto mode now shows a countdown and eventually stops the turn if its server-side safety check keeps failing

What

  • When Auto mode's server-side safety classifier repeatedly returns no usable verdict, Claude Code now waits with backoff and reports this as a new auto_mode_unavailable retry status.
  • The UI shows a matching new state, 'Auto mode check unavailable', with a countdown ('next try in … attempt X/Y') and a hint that you can press escape to interrupt.
  • After a fixed number of consecutive failures, Claude Code stops retrying, denies the tool call, and ends the turn instead of looping forever. This is tracked by the tengu_auto_mode_unavailable_stop event.

Why

Without this, a server-side classifier outage could leave Auto mode retrying indefinitely with no clear feedback. Now you see what's happening and the turn eventually gives up cleanly instead of hanging.

Read from
Feature flag
tengu_woolly_parsnip Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.280: on

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

tengu_tranquil_summit Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.280: on

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.280. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
One source agreesOne thing we can check says the same as this entry.
The name it cites is new in this buildNew in this build: tengu_tranquil_summit

See this entry in the whole of v2.1.280 →

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