WordPress 5.5.1 Update Log: 34 bug fixes and 4 enhancements

On September 1, WordPress 5.5.1 was released to the public.

Maintenance Update＃Maintenance Update

WordPress 5.5.1 includes34 bug fixes and 4 enhancements, and5 bug fixes for the Block Editor。 WordPress Core Changes on Trac:

• #50882 – Admin: WP 5.5: Unable to attribute content when deleting a user
• #50998 – Quick/Bulk Edit: Editing posts using the „Bulk Actions“ dropdown at the bottom does not work
• #38009 – Comments:#reply-title.comment-reply-title Not updated when replying to individuals
• #50845 – Editor: Block Patterns: Fix translatable strings (2)
• #50858 – Site Health: Usesite_status_tests filter to check for PHP notices
• #50887 – Site Health: Add site environment to debug information
• #50892 – Editor: Some tile patterns have text contrast issues in dark themes
• #50910 – Sitemap: Pagination error for 5.5 sitemap URLs
• #50912 – Site Health: Marking WP_AUTO_UPDATE_CORE value definition as an error
• #50919 – Script Loader: Change jquery handle back to its alias jquery-core
• #50933 – Media: Lazy loading in 5.5 causes custom logo flicker in Firefox
• #50945 – Site Health:upload_max_size Do not issue a warning when below the value max_post_size
• #50988 – Upgrade/Install: Pass detailed information about specific plugin and theme updates attempting to filter
• #50992 – Bootstrap/Load: Remove the function to change the environment type list wp_get_environment_type()
• #50999 – Script Loader: Disable concatenation of scripts with translations to ensure printing in the correct order
• #51011 – Upgrade/Install: Invalid empty string comparison on home option during DB upgrade
• #51018 – Editor: PHP notice triggered when searching for certain terms via Gutenberg block directory
• #51151 – Editor: Package update
• #51021 – REST API: Allow uniqueItems keyword in endpoint args
• #51146 – REST API: Fix multi-type schema using integer fields
• #51029 – Filesystem API: Typo in variable name causes the following warning: fclose()
• #51042 – Publish: Missing excerpt
• #51050 – Docs: Add documentation block for get_the_archive_title() filtering
• #51052 – Admin: Undefined index: update support
• #51060 – Docs: Update documentation block register_rest_route to reflect additions since 5.5
• #51064 – Bootstrap/Load: Consider adding „local“ as an environment on WP_ENVIRONMENT_TYPE
• #51073 – Admin: Extra padding below admin bar
• #51075 – Docs: Update documentation for custom logo feature
• #51122 – Docs: Mention the use of loading attribute in wp_get_attachment_image feature
• #51127 – UI / CSS: Remove color-unrelated styles from modern color scheme
• #51129 – Upgrade/Install: Show auto-update link only for themes supporting the feature on Network Admin > Themes screen
• #51337 – Template: wp_terms_checklist does not check selected taxonomy items with selected_cats option
• #51184 – Onlyget_the_date() Check $formatEmpty variable,false Boolean value failure
• #51182 – Theme_Installer_skin::do_overwrite Does not work on Windows servers
• #38009 – #reply-title.comment-reply-title Not updated when replying to individuals
• #51123 – commonL10n Removed other JS global variables without backward compatibility
• #50848 – Clarify the usage of using null for the auto_update_{$type} filter
• #51081 – Fatal error – get_page_templates() Undefined in the Customizer
• #51154 – Sitemap should be initialized before each test run
• #51028 – Period should not be inside quotation marks

Block Editor changes on GitHub:

• PR24609 – Fix missing selected block highlight in list view
• PR24599 – Fix specificity for buttons with outline style and background color
• PR24533 – Fix incorrect aria description in list view
• PR24516 – Fixed regression in category selection in QueryControls component
• PR24478 – Fixed minor editor preview when using „Mobile“ or „Tablet“ options with metaboxes enabled