Under the hood
Useful2 Signal4
Plugin sandboxes can now handle button presses and lay out Button elements.
What's wrong with this entry?
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What
The plugin sandbox protocol adds ui.press to its operation list and dispatch table, with the worker counting presses in flight and declining to go idle while any are outstanding. The layout map gives Button block display and the plugin JSX runtime defines h. The fs.ancestors file operation landed in the same change.
Evidence
"ui.press"
Strings lifted out of the shipped bundle, so the claim above can be checked against them.