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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.251 ·

One-time nudge when reasoning effort is set to high

A one-time dialog may suggest lowering your reasoning effort, only if the server supplies wording.

Nothing to try yet In Development
JSON All of v2.1.251
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
Reasoning EffortArea: what it touches
In DevelopmentKind: in v2.1.251,
In DevelopmentSection of the release

The nudge is skipped entirely when its remote config text is absent.

What

A dialog can suggest changing your reasoning effort when it is set to "high". Its wording comes from the tengu_radiant_island remote config, and it is skipped when that config is absent. It also requires that onboarding is finished and that you have not seen it before.

Details
  • Records whether the high setting came from your own settings, and tags the shown copy as either "default" or "user_pin" for telemetry.
Evidence

hasSeenEffortMediumNudge

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Read from
Feature flag
tengu_radiant_island 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 v2.1.251: not a boolean we can read

Read once, for one account on one subscription tier, against v2.1.251. 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 [] for tengu_radiant_island, 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 nothing at all, having stopped carrying it for tengu_radiant_island, 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 →

See this entry in the whole of v2.1.251 →

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