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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

Artifact reads can identify the actor

Artifact frame reads can now name the actor making the request, through a new actorId option

Under the hood Internal Changes
JSON All of v2.1.281
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
Internal ChangesKind: in v2.1.281,
Internal ChangesSection of the release
What

When the new actorId option is set, the request that reads an artifact frame adds &actor=id to its address, which tells the server who is reading.

Why

In practice, artifact reads can now identify who made them.

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 doubtThe finding does not say what sets `actorId` or where artifact frames appear to a user.

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