TinyMCE: remove `<address>` from the block formats drop-down. Props avryl, mor10. Fixes #30132.
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Update better description of the Screen Options checkbox for DFW v2 and editor-expand. Props johnbillion, kpdesign, fixes #30557.
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Give up on making uninterrupted hierarchies work in `get_page_children()` for now, reverts [30159], [30246], [30636].

Props boonebgorges.
See #14477.

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Monkey-patch MediaElement to restore H264 support to Chromium.

Documented here:
https://core.trac.wordpress.org/ticket/30281#comment:9

See #30281.

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Show title, album, and artist info for audio files displayed in `WP_Customize_Upload_Control()`.

See #21483.

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