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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.269 ·

New thinking-block hint text behind two dark-launch gates

A new 'summary' hint for thinking blocks exists in the code but is gated off for now

Nothing to try yet No documentation found In Development
JSON All of v2.1.269
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
In DevelopmentKind: in v2.1.269,
In DevelopmentSection of the release
What

Claude Code shows a small hint next to collapsed 'thinking' blocks (the sections where Claude's reasoning is shown). The code now supports three outcomes for that hint: the existing 'summarized' hint in a dim tone, a new 'summary' hint in a subtler tone, or no hint at all, with the choice controlled by two feature gates, tengu_lilac_dune and tengu_quizzical_shore.

Why

This adds a new possible label for thinking-block hints, but it is not yet active for readers of this site: no reading has been taken under this release for either gate, and both were previously off for this site's account and for the anonymous baseline.

Read from
Feature flag
tengu_lilac_dune Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.269: off

tengu_quizzical_shore Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.269: off

Read once, for one account on one subscription tier, against v2.1.269. It isn't a statement about your account. What a flag value here can and cannot tell you

What has happened since
Flag reading moved The flag server now returns off for tengu_lilac_dune, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.
Flag reading moved The flag server now returns on for tengu_lilac_dune, read as this account. A reading is one sample. Claude Code evaluates its flags remotely, so no client sees the targeting rule behind a value and this says nothing about your account.

See this across every release →

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_lilac_dune

See this entry in the whole of v2.1.269 →

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