Polylang Pro 3.6.4

Pro: Add compatibility with FSE changes introduced by WP 6.2
Pro: Adapt the navigation language switcher block for consistency with WP 6.2
Only store term ids in taxonomy relationships cache for WP 6.0+. Props @ocean90 #1154
Remove usage of `get_page_by_title()` deprecated in WP 6.2 #1213
Fix fatal error if the mu-plugins folder is not readable #1217
Fix a compatibility issue with plugins not expecting a null \'update_plugins\' transient #1224

Pro: Allow to translate Oembed, URL and Email ACF fields
Pro: Fix ACF REST API mixing fields
Pro: Fix ACF compatibility loaded when no language exist
Pro: Fix headers of exported PO files.
Pro: Fix spacing in language switcher navigation block preview
Work around a bug in Sendinblue for WooCommerce causing a fatal error. #1156
Fix a regression with WooCommerce Product Add-Ons Ultimate. #1186

* Requires WP 5.7 as minimum version
* Pro: Allow to export and import XLIFF files for posts
* Pro: Honor the provided context for the navigation language switcher block.
* Pro: Remove the parent hyperlink in the navigation language switcher block.
* Pro: Add spacing between flag and name in the navigation language switcher block.
* Pro: Disallow some special characters in translated slugs to avoid 404 errors.
* Pro: Fix string translation not imported when the original is registered but has never been saved in database.
* Pro: Fix string translation not imported when it includes an html entity.
* Pro: Fix navigation language switcher block rendering in block editor.
* Pro: Fix navigation language switcher may be displayed wrong color.
* Translate the post pages in get_post_type_archive_link() on admin side too. #1000
* Enable the block editor in page for posts translations to match the WordPress behavior since version 5.8 #1002
* Improve the site health report #1062 #1076
* Set the current language when saving a post #1065
* The search block is now filtered by language #1081
* Display slug of CPT and taxonomies in Custom post types and Taxonomies settings. Props @nicomollet #1112
* Add support for wpml-config.xml to MU plugins #1140 Props Jeremy Simkins
* Fix some deprecated notices fired by PHP 8.1 #975
* Fix some missing canonical redirect taxonomies #1074
* Fix redirect when permalink structure has no trailing slash #1080
* Fix language switcher in legacy navigation menu widget not rendered in widgets block editor #1083
* Fix language in tax query when an OR relation is used #1098
* Fix parent of translated category removed when assigning an untranslated parent #1105
* Fix is_front_page() when a static front page is not translated #1123
* Yoast SEO: Fix posts without language displayed in the sitemap #1103
* Yoast SEO: Avoid syncing robots meta. #1118