Mentioned in [56637] on Core SVN:
XML-RPC: Add `alt` attribute value to media item API.

Mentioned in [56531] on Core SVN:
Bundled Themes: Use Node.js 16.x in themes with a build process.

Closed ticket #58022 on Core Trac:
Twenty Twenty: fix Table block's border colors

Mentioned in [56451] on Core SVN:
Bundled Themes: Ensure that pull quotes are able to use the correct font

Created ticket #59187 on Core Trac:
Bundled Themes need to be update to node 16