Add braces around a conditional hook. This wasn't causing an issue as `if ( conditional ) /* multiline comment */ command();` is perfectly OK, but left open doubt and potential future bugs. See #25229


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Fix lingering reference problem in `wp_get_object_terms()` by not setting the `foreach`'d vars to a reference. Adds unit test.

Props stephenharris.
Fixes #26339.


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When `WP_DEBUG` is set to `true`, suppress deprecated errors from firing when calling `mysql_connect()`, which is officially deprecated in PHP 5.5. We will remove this shameful code as soon as is humanly possible.

Props wonderboymusic. Extra love to tierra and nacin.
Fixes #26322.


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Themes: Fix the routing for Themes in a sub-directory (/wp-content/themes/prefix/theme-name/style.css) and navigate to hash-url's for searches. See #25948

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Themes: We no longer have a delete link on the multi-grid view. See #25948

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Themes: For searches, replace the document hash, don't add a new history event for each keypress. See #25948

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Make the responsive menu usable with a mouse, fix non-folded and :focus styles, toggle the submenus on touchend/click. Fixes #26086.
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Themes: Add a updated Help text. Props designsimply & hanni. See #26285

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Remove all screen_icon() calls and deprecate the functions, props TobiasBg, fixes #26119
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