WordPress 5.9.3 Maintenance Release

WordPress 5.9.3 is a short-cycle maintenance release. The next major release will be version 6.0.

The following core tickets from Trac were fixed:

• 52409 – Filesystem API: Include the ssh-ed25519 public key signature algorithm as an alternative to ssh-rsa
• 54878 – Themes: Hide block themes live preview link following installation
• 54916 – Administration: Do not specify menu order for the Widgets menu when the active theme is a block theme
• 54939 – Customizer: When a block theme is active, add an information about Site Editor in the Customizer
• 55203 – Media: Make get_post_galleries() only return galleries
• 55241 – Themes: Avoid undefined variable warning on get_svg_filters()
• 55311 – Editor: Fix broken asset URLs when using WP outside of the regular directory
• 55337 – Editor: Optimize preload paths for post and site editors
• 55474 – Update WordPress packages for 5.9.3

The following block editor issues from GitHub were fixed:

• PR38136 – Adds aria-label to the search button, as accessibility enhancement
• PR38863 – Template List: Decode entities in record titles
• PR38891 – Use wp_unique_id() instead of uniqid() to generate CSS class names
• PR38765 – Cover block: Fix gradient overlay (remove black background color)
• PR39045 – Try: Fix image responsive rules
• PR38762 – Fixes #38761 by removing obsolete ::before pseudo element
• PR39091 – Avoid error when ‘styles’ settings are removed
• PR39164 – Change location of block support styles in
• PR39340 – Image: Restore baseline responsiveness in the block
• PR39445 – Fix: Table block doesn’t keep background color