Last Week in WordPress Core

Hello there! This is Last Week in WordPress Core for the week of April 15-April 23. Happy release week, everyone! WordPress 3.9 “Smith” was released last Wednesday! Due to that, fewer commits this week. With a 3.9.1 maintenance release expected this week, changes up to tonight are included below.


  • Ensure widgets stay with themes during a theme switch. See [28124]. [28161] #27897
  • Run WP_Editors::enqueue_scripts() on admin_print_footer_scripts priority 1 (later), instead of admin_footer. Fixes incompatibility with the customizer. [28187] #27853
  • Remove create_function() from the customizer class to improve HHVM compatibility. [28143] #27805

Theme Installer

  • Restore .zip theme installation by casting wp_count_attachments() before iterating it to avoid a notice when items exist without a mime type. [28139] #27802
  • Prevent customizer header image list from listing user images twice when no theme-specified images exist. [28152] #27839
  • Improved URL routing. [28141] [28147] #27055
  • Proper redirection and action links post-install in multisite. [28163] #27869


  • Update the TinyMCE tests to [28138] #27744
  • Fix icons in IE7. [28142] #27829
  • Restore wordpress_adv_hidden editor parameter to enable force-showing the kitchen sink. [28181] #27963
  • Shrink the font size for the selected item in “Format” dropdown so that it fits in more locales. [28180] #27903
  • Fix the active state of the Link button when an image wrapped in a link is selected. [28185] #27847
  • Don’t trigger the drag-and-drop uploader when selected test is being dragged from one window to another. [28189] #27880
  • Correct positioning when adding a caption to an image that is in a paragraph with other text. [28190] #27922
  • Update the “paste” plugin to the latest development version to fix: [28192] #27909 #27771
    • Correct pasting of Excel tables.
    • Leave TOC Anchors intact during paste.


  • Improve styling and fix RTL for playlists. [28172] [28174] #27923; [28173] #27924
  • Alter the layout of the checkboxes in the modal view for Audio/Video Details to allow translations more room to breathe. [28184] #27893
  • Graceful failures for TinyMCE views of video/audio playlists. [28144] #27821
  • Add a compatibility layer in wp-playlist.js to avoid VM errors from MediaElement’s plugin bridge in the TinyMCE views to whitelist file types for native playback. [28171] #27892
  • Refinements for asynchronous rendering in [28182] #27899
  • Keep <tracks> from being filtered out when switching between visual and text editors. [28183] #27915
  • Hide extra tracks field in media modal when adding subtitles. [28169] #27915


  • Avoid a PHP warning during theme background-update checks when there are multiple theme directories registered. [28137] #27815
  • Properly gray out text fields when they are disabled or when they have the disabled class. [28179] #27906
  • Avoid counting all attachments when entering the post|page edit screens. [28191] #27985

Thanks to @avryl, @azaozz, @bobbingwide, @celloexpressions, @dimadin, @feedmeastraycat, @gcorne, @helen, @jjeaton, @johnbillion, @kworthington, @lancewillett, @mcsf, @melchoyce, @nacin, @netweb, @ocean90, @SergeyBiryukov, @smashcut, @westonruter and @wonderboymusic for their help this week!

For the complete list of commits to trunk, check out the log on Trac. We started talking about 4.0 plans this week in the weekly dev meeting. Come chat next Wednesday to continue the discussion, and note if you encounter issues with the new release on trac.

#3-9, #week-in-core