WordPress 4.9.3 Beta

As mentioned in the last dev chat, WordPress 4.9.3 maintenance release is scheduled for January 30th.

The beta package for 4.9.3 is now ready for testing. Please help us by testing this beta to ensure 4.9.3 fixes the reported issues and doesn’t introduce any new ones.

JSHint Removal

One of the important changes is the removal of JSHint from code editor due to its GPLGPL GNU General Public License. Also see copyright license.-incompatible license. If your code relies upon JSHint from coreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress., you should update it to include a copy of JSHint. See ticketticket Created for both bug reports and feature development on the bug tracker. #42850 for more details.

Other Changes

Other notable fixes and enhancements include:


  • #15397 redirect_guess_404_permalink() doesn’t guess posts with updated dates


  • #42646 CustomizerCustomizer Tool built into WordPress core that hooks into most modern themes. You can use it to preview and modify many of your site’s appearance settings. cropper settings don’t respect flex-width=false and flex-height=false
  • #42686 Default selected changeset status should not be ‘publish’ when current user does not have publish capability
  • #42975 Customize: Previewing a changeset locks the changeset


  • #43109 RegEx in parse_db_host() can cause notices and headers sent too early


  • #42862 Update Twemoji to v2.4.0


  • #42643 No download link if a FLV file cannot be rendered


  • #42860 PHPPHP The web scripting language in which WordPress is primarily architected. WordPress requires PHP 5.6.20 or higher 7.2 warning in WP_Query::set_found_posts()

REST APIREST API The REST API is an acronym for the RESTful Application Program Interface (API) that uses HTTP requests to GET, PUT, POST and DELETE data. It is how the front end of an application (think “phone app” or “website”) can communicate with the data store (think “database” or “file system”) https://developer.wordpress.org/rest-api/.

  • #42597 “Term already exists” error no longer returns term ID


  • #42697 Missing Translations update section


  • #42503 Visual mode does not work in Internet Explorer 11
  • #42722 TinyMCE JSJS JavaScript, a web scripting language typically executed in the browser. Often used for advanced user interfaces and behaviors. error preventing plugins from loading
  • #42908 Additional markup inserted when editing shortcodes and switching between Visual/Text tabs
  • #43090 Extra dots in in TinyMCE toolbar dropdowns in Microsoft Edge


  • #42693 WordPress sends an “adminadmin (and super admin) email address was changed” message to you@example.com on new install
  • #43103 Reduce pluginPlugin A plugin is a piece of software containing a group of functions that can be added to a WordPress website. They can extend functionality or add new features to your WordPress websites. WordPress plugins are written in the PHP programming language and integrate seamlessly with WordPress. These can be free in the WordPress.org Plugin Directory https://wordpress.org/plugins/ or can be cost-based plugin from a third-party/theme APIAPI An API or Application Programming Interface is a software intermediary that allows programs to interact with each other and share data in limited, clearly defined ways. calls during core release windows


  • #42740 Image WidgetWidget A WordPress Widget is a small block that performs a specific function. You can add these widgets in sidebars also known as widget-ready areas on your web page. WordPress widgets were originally created to provide a simple and easy-to-use way of giving design and structure control of the WordPress theme to the user. does not support relative links
  • #42802 Custom HTMLHTML HyperText Markup Language. The semantic scripting language primarily used for outputting content in web browsers. widget validation does not allow single-quoted attributes
  • #43003 HTML5 “required” attribute in Widget form() fails in ajax-actions.php during save
  • #43125 Deregistering WP_Widget_Media_Image breaks Text widget’s “Add Media” button

See the full list of closed tickets in TracTrac An open source project by Edgewall Software that serves as a bug tracker and project management tool for WordPress..