WordPress 4.9.8 Maintenance Update

WordPress released a maintenance update to fix 46 bugs on August 2. Besides the fixes, the update contains enhancements and improvements of the privacy data tools to ensure more consitency and flexibility (for example in mulisite usage).

Fixes

• Administration
  • try Gutenberg header wraps over text below on narrow screens
  • minor tweaks to Try Gutenberg callout formatting
• Bundled Theme
  • TwentySeventeen backend editor: level 2 bulleted lists nested under numbered lists show numbers instead of bullets
  • Bundled Themes: Bump version number and update changelog in Twenty Seventeen for 4.9.8 release
• Comments
  • Adding fields to comments_form args prevents checkbox displaying
  • Privacy: Don’t replace comment author URL and email with anything
  • Commenter cookie consent message should not be displayed if the cookie action isn’t hooked
• Customize
  • minor tweaks to Try Gutenberg callout formatting
• Editor
  • Introduce “Try Gutenberg” callout
  • Replace _deprecated_function( ‘add_filter’ ) with apply_filters_deprecated()
  • Restrict the Try Gutenberg callout audience
  • Emoji
  • minor tweaks to Try Gutenberg callout formatting
• Filesystem API
  • wp_is_stream fails with stream definition containing nonascii chars
• I18N
  • i18n: “About” disambiguation
  • Saratov and other cities missing from translations
• Login and Registration
  • Missing parameter type for `login_header()`
• Media
  • Extreme memory leak related to wp_is_stream in wp-includes/functions.php in WordPress 4.9.7
  • REST API: Attachments controller should respect “Max upload file size” and “Site upload space” in multisite
• Options, Meta APIs
  • Reconsider $object_subtype handling in `register_meta()`
• Posts, Post Types
  • Add action hook to get_inline_data()
• Privacy
  • Privacy Policy page should have suffix like other special pages
  • Privacy: Pagination screen options for the requests list tables
  • Add Request Type into Admin Email Subject for GDPR
  • GDPR Privacy Page setting allows for Draft Pages
  • Mixed Case of Privacy Policy on Privacy Settings page
  • If draft page selected for Privacy Policy page should verbiage change from view to preview
  • The input field id username_or_email_to_export should be something else on remove_personal_data page
  • Title of Privacy Policy Page not used on login page
  • “Silence is golden” index.html generates output
  • Add filter for email subject for erasure complete notification
  • Replace `site_url( ‘wp-login.php’ )` in `wp_send_user_request()`
  • Add a privacy setting to disable comment cookie consent
  • GDPR filters should provide either $request or $request_id
  • Filter the subject within _wp_privacy_send_request_confirmation_notification
  • Inconsistent use of blogname and sitename in Privacy emails
  • Grammar – Missing ‘a’ in ‘select new Privacy Policy page’
  • Admin emails after email confirmation don’t work for data privacy requests
  • Remove “// WPCS:” comments
• REST API
  • REST API saves attachments with absolute path for `_wp_attached_file` on Windows platforms
  • REST API: Only render fields specific to request when _fields= is used
  • REST API: Expose revision count and last revision ID on Post response
• Role/Capability
  • REST API: Declare user capability to perform actions using JSON Hyper Schema `targetSchema`
• Taxonomy
  • WP_Term_Query get_terms generates invalid sql queries
  • REST API: Taxonomy and term endpoints should use correct permission checks
• TinyMCE
  • Update to TinyMCE 4.7.13
  • See the TinyMCE changelog. WordPress 4.9.6 included TinyMCE 4.7.11, WordPress 4.9.8 updated to TinyMCE 4.8.0,
  • despite the title of this ticket.
  • TinyMCE: do not force-load external TinyMCE plugins

One new feature in this version is the «Try Gutenberg» feature. It allows WordPress user to test the upcoming Gutenberg editor of WordPress 5.0. You can find out more on wordpress.org about the activation of the Gutenberg Editor.

Remember to keep WordPress up to date and to create backups before installing updates.