Historically, it's been difficult to extend user roles, but reasonable to work around by waiting until after `init` has fired, to add custom roles and capabilities. With the addition of Locale Switching, Core now potentially loads roles before `init` has fired, leaving a window where custom roles and capabilities are not handled.
The new filter allows plugins to add their own custom roles whenever they're initialised (on page load, or when switching sites, for example), so that they can always be obeyed.
`WP_Roles` has also been tidied up a little bit, to remove duplicate code.
Props johnjamesjacoby, pento.
Fixes#23016.
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* Makes sure the page layout setting also applies to pages, and is not completely hidden from them when a sidebar widget is present. Pages do not have a sidebar, so that was incorrect.
* Updates description in Customizer for brevity and accuracy.
* Applies setting to archive pages as well.
* Updates CSS to reflect changes.
Props celloexpressions, laurelfulford.
Fixes#38538.
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* Relies on header skip link instead of l10n variables in JavaScript.
* Fixes issue where scroll down arrow appeared next to the navigation on the front page with no header image or video. It now only appears with a big header.
Props enodekciw, laurelfulford.
Fixes#38502.
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The blog post, while originally canonical, was later updated to include additional changes. The ticket includes all the changes and alot of rational for why things changed.
Props Mista-Flo, DrewAPicture, morganestes.
Fixes#38254.
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`test_default_theme_in_default_theme_list()` was always being skipped after #31550, this causes it to once again check that the unit tests are up to date and include the latest default theme.
`test_default_themes_have_textdomain()` didn't play happy when a default theme wasn't installed on a site.
See #31550, #29925, #38551.
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This partially reverts [35738], which has shown to provide a bad user experience for users seeking to experiment with TwentySeventeen.
This will result in TwentySixteen being installed in addition to TwentySeventeen.
See #38551.
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Previously a user could remove a protected meta field by using their browser developer tools to alter the form field properties in the Custom Fields meta box, given that they know the ID of the protected meta field. This change prevents this by preventing any change to a protected meta field, including changing its key.
Props ajoah, johnbillion, peterwilsoncc
Fixes#38293
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Allow history to be manipulated before DOM ready by sourcing state params from the current URL instead of from the `wp.customize.settings` object, since they will be the same anyway. This fixes a JS error since `wp.customize.settings` is not defined before DOM ready.
Amends [38810].
See #30937.
Fixes#38592.
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Previously Settings only supported "number" which meant it was possible to push floats to things like posts_per_page. This means now developers can also specify `type => ineger` in meta nad settings resgration.
Props flixos90.
Fixes#38393.
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By allowing more fine-grained validation and sanitisation of endpoint args, we can ensure the correct data is being passed to endpoints.
This can easily be extended to support new data types, such as CSV fields or objects.
Props joehoyle, rachelbaker, pento.
Fixes#38531.
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* Allow `WP_Customize_Nav_Menus::insert_auto_draft_post()` to take full post array to pass to `wp_insert_post()`, except for `post_status`. Require `post_title`.
* Ensure empty `post_name` gets explicitly set to slugified `post_title`.
* Explicitly allow only `post_type` and `post_title` params in `WP_Customize_Nav_Menus::ajax_insert_auto_draft_post()`.
* Use `wp_update_post()` instead of `wp_publish_post()` to ensure unique slugs are assigned to published auto-draft posts.
* Re-use `WP_Customize_Nav_Menus::insert_auto_draft_post()` when inserting stubs from starter content.
See #38114, #38013, #34923.
Fixes#38539.
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