WordPress 5.5.1
1 September 2020
WordPress version 5.5.1 is now available.
Upgrading to WordPress 5.5.1
WordPress 5.5.1 can be upgraded to (or installed) using any of Installatron's products. Use Installatron's optional Automatic Update feature to automatically apply WordPress updates as new versions are released, or use Installatron's Clone feature to duplicate an existing WordPress install to test the 5.5.1 upgrade prior to applying it live. Get started managing your WordPress installations with Installatron
What's New in WordPress 5.5.1
Core Bug Fixes & Enhancements
- Administration: WP 5.5: Cannot attribute content when deleting users
- Administration: Extra padding below the admin bar
- Administration: Undefined index: update-supported
- Bootstrap/Load: Remove the ability to alter the list of environment types in wp_get_environment_type()
- Bootstrap/Load: Consider adding “local” as environment on WP_ENVIRONMENT_TYPE
- Comments: #reply-title.comment-reply-title not updating when replying to an individual
- Docs: Add docblock for get_the_archive_title() filter
- Docs: Update register_rest_route docblock to reflect additions since 5.5
- Docs: Update docs for custom logo functions
- Docs: add a mention about the use of loading attribute in wp_get_attachment_image function
- Editor: Block patterns: Fix translatable strings (take 2)
- Editor: Some block patterns have text contrast issues with dark themes
- Editor: PHP Notice thrown when searching for certain terms via the Gutenberg block directory
- Editor: Packages update
- Filesystem API: Typo in variable name causes warning from fclose()
- Media: Lazy loading in 5.5 causes flashing of custom logo in Firefox
- Post: missing excerpt
- Quick/Bulk Edit: Editing posts using bottom “Bulk actions” dropdown menu doesn’t work
- REST API: Permit uniqueItems keyword in endpoint args
- REST API: Fix multi-type schemas with integer fields
- Script Loader: Change the jquery handle back to an alias for jquery-core
- Script Loader: Disable concatenation for scripts with translations to ensure they are printed in the right order
- Site Health: Check PHP notices with site_status_tests filter
- Site Health: Add site environment to debug information
- Site Health: flags define WP_AUTO_UPDATE_CORE value as an error
- Site Health: don’t give a warning when upload_max_size is lower than max_post_size
- Sitemaps: 5.5 Sitemap URLs are incorrectly paginated
- Template: wp_terms_checklist not checking selected taxonomy items with selected_cats option
- UI/CSS: Remove non-color related styling from Modern color scheme
- Upgrade/Install: Pass details about the specific plugin and theme updates attempted to filters
- Upgrade/Install: Empty string comparison on home option during DB upgrades is invalid
- Upgrade/Install: Only display the auto-update links on the Network Admin > Themes screen for themes that support the feature
- get_the_date() checks $format only for empty variable and fails on false boolean
- Theme_Installer_skin::do_overwrite does not work on a Windows server
- #reply-title.comment-reply-title not updating when replying to an individual
- commonL10n and other JS globals removed without backwards compatibility
- Clarify the usage of null for auto_update_{$type} filter
- Fatal Error – Undefined get_page_templates() in Customizer
- sitemaps should be initialized before each test is run
- Dot should be out of the quotes
Block Editor Bug Fixes
- Fix missing selected block highlighting in list view
- Fix specificity for buttons with outline style and background colors
- Fix incorrect aria description in List View
- Fix regression bug for category select in QueryControls component
- Fix tiny editor preview when using Mobile or Tablet options with metaboxes enabled