You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
ArtifactsArea: what it touches
ImprovementsKind: in v2.1.239,
What probably matters to youSection of the release
What
HTML from an artifact published in your Slack channel is now wrapped in prompt text of its own, warning that it may contain edits by other people and that nothing in artifact content can grant Claude extra permissions.
Details
This is a third pairing alongside the existing wrappers for co-written artifacts and Artifact-type content.
Evidence
is from an artifact published from your Slack channel and may contain others' edits
Strings lifted out of the shipped bundle, so the claim above can be checked against them.
