This brings over the latest bug fixes and improvements ahead of WordPress 6.1 beta 3.
For a full list of changes being included, see the `twentytwentythree` repository on GitHub: ac96e8d545...ca662828b7.
Props mikachan, poena, madhudollu, beafialho, colorful-tones, scruffian, tahmidulkarim, joen, taskotr, zoonini, mayuge, ndiego, collet.
See #56383.
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