Changes compared to: 23.3

Enhancements:

• Re-enables the script concatenation that was disabled to prevent a bug with WordPress 5.5. #21504
• Improves the schema output by following the specification for the SearchAction more strictly. #21492
• Adds так to the words recognized by the transition words assessment in Russian. Props to @pavelmai83. #21440
• Improves the look of the Yoast SEO metabox in the block editor by centering it and making it stand out more by using a background color. https://github.com/Yoast/wordpress-seo/pull/21426

Bugfixes:

• Fixes a bug where two admin links would not be resolvable when using a custom admin URL. #21523
• Fixes a bug where the Yoast user settings would be wiped out after a user profile update when the respective global settings were disabled. #21537
• Fixes a bug where the first tag instead of the primary tag would be shown in a permalink when adding a link in the Classic editor. #21524

Other:

• Deprecates the Disable_Concatenate_Scripts_Integration class. #21504
• Deprecates some functions in the Yoast_Input_Validation class. #21515
• Adds a learn more link to the primary category picker. #21533
• Deprecates the Duplicate_Post_Integration class. #21528
• Deprecates the WPSEO_Admin_User_Profile::user_profile() method and the admin/views/user-profile.php file. #21537

Non user facing:

• Adds a condition in the yoastseo worker to update the readability analysis assessor when the Paper's keyphrase changes. #21530
• Refactors the way we handle the DI container injection in our background indexing systems. #21502
• Streamlines checking for dependencies on admin pages. #21508
• Removes unused add_settings_error function. #21510
• Removes unused code related to our Zapier integration that has been previously deprecated. #21528
• Refactors filter_input calls in first-time-configuration-notice-helper.php. #21513
• Refactors filter_input calls in settings-integration.php. #21513
• Removes dependency on the filter_input function. #21513
• Disables the highlighting button when the AI Optimize button or toast is active. #21544
• Adds the block length information when retrieving the Gutenberg blocks to be sent to the analysis. #21520
• Refactors code related to the spacing between columns in the analysis results (score icon, assessment text, buttons). #21538
• Updates the crawl cleanup to use the native WordPress way of disabling RSS feeds. https://github.com/Yoast/wordpress-seo/pull/21496