DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
Artifact permission prompts no longer show a blank description
You'll notice
Useful2Signal1
Artifacts
Artifact permission prompts show "(unprintable)" instead of a blank description.
What's wrong with this entry?
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What
When Claude Code summarises an artifact action for the automatic permission check, a formatting failure or an empty summary now reads "(unprintable)" instead of nothing at all.
Details
A feature-check early return was removed, so the [shared-live: …] suffix marking an artifact with a live shared connection is now appended whenever the check says it applies, rather than being skipped.
Evidence
[shared-live:
Strings lifted out of the shipped bundle, so the claim above can be checked against them.