Version 5.5.1 | WordPress.org

To download WordPress 5.5.1, update automatically from the Dashboard > Updates menu in your site’s admin area or visit WordPress releases archive.

For step-by-step instructions on installing and updating WordPress:

If you are new to WordPress, we recommend that you begin with the following:

WordPress 5.5.1 features 34 bug fixes and 4 enhancements, as well as 5 bug fixes for the block editor.

WordPress Core changes on Trac:

#50882 – Administration: WP 5.5: Cannot attribute content when deleting users
#50998 – Quick/Bulk Edit: Editing posts using bottom “Bulk actions” dropdown menu doesn’t work
#38009 – Comments: #reply-title.comment-reply-title not updating when replying to an individual
#50845 – Editor: Block patterns: Fix translatable strings (take 2)
#50858 – Site Health: Check PHP notices with site_status_tests filter
#50887 – Site Health: Add site environment to debug information
#50892 – Editor: Some block patterns have text contrast issues with dark themes
#50910 – Sitemaps: 5.5 Sitemap URLs are incorrectly paginated
#50912 – Site Health: flags define WP_AUTO_UPDATE_CORE value as an error
#50919 – Script Loader: Change the jquery handle back to an alias for jquery-core
#50933 – Media: Lazy loading in 5.5 causes flashing of custom logo in Firefox
#50945 – Site Health: don’t give a warning when upload_max_size is lower than max_post_size
#50988 – Upgrade/Install: Pass details about the specific plugin and theme updates attempted to filters