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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 v2.1.268 ·

Artifact read-tracking: 'seeded'/skip-to-set upgrade path removed

Artifact viewer drops a special-case upgrade from 'skip' to 'set' read status

TierUnder the hoodhow much it should matter to you
Useful1my rating, 1 to 5
Signal1worth watching, 1 to 5
AreaArtifactswhat it touches
KindRemovedin v2.1.268,
Under the hood

Artifact viewer drops a special-case upgrade from 'skip' to 'set' read status

What

In the artifact viewer's bookkeeping for tracking which versions of an artifact you've read, a special-case rule that upgraded a 'skip' read status to 'set' under a particular seeded condition has been removed. Only the general rule, which applies whenever the status isn't 'skip,' remains.

Why

The finding doesn't state the visible effect, but removing this special case means fewer paths by which a 'skip' status gets promoted to 'set.'

Read from
Feature flag
tengu_cobalt_plinth_fern 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: on · compiled default in v2.1.268: on

Read once, for one account on one subscription tier, against v2.1.268. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtWhether this behavior is switched on can't be said: the tengu_cobalt_plinth_fern gate reads on for both this account and the anonymous…

See this entry in the whole of v2.1.268 →

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