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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 v2.1.242 ·

New remote flag tengu_cobalt_plinth_thrift, off without a server value

A new artifact-related server switch exists and stays off without a server value.

Nothing to try yet In Development
JSON All of v2.1.242
Nothing to try yetTier: how much it should matter to you
1Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
In DevelopmentKind: in v2.1.242,
In DevelopmentSection of the release

tengu_cobalt_plinth_thrift is defined with a false fallback and what it controls is not visible.

What

A gate sits next to the artifact enablement code, reading the remote config flag tengu_cobalt_plinth_thrift and requiring an exact true. Its fallback is false, so with no server value the feature behind it is off. What it switches is not evident from the surrounding code.

Details
  • No environment variable or settings key sets it; it is decided entirely by remote config.
Evidence

tengu_cobalt_plinth_thrift

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

Read from
Feature flag
tengu_cobalt_plinth_thrift 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 v2.1.242: off

Read once, for one account on one subscription tier, against v2.1.242. 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_cobalt_plinth_thrift

See this entry in the whole of v2.1.242 →

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