4.5.1 Release Candidate

A Release Candidate for WordPress 4.5.1 is now available. This maintenance releaseRelease A release is the distribution of the final version of an application. A software release may be either public or private and generally constitutes the initial or new generation of a new or upgraded application. A release is preceded by the distribution of alpha and then beta versions of the software. fixes 11 issues reported against 4.5 and is scheduled for final release next Tuesday, April 26.

Thus far WordPress 4.5 has been downloaded nearly 5 million times since its release on April 12. Please help us by testing this release candidaterelease candidate One of the final stages in the version release cycle, this version signals the potential to be a final release to the public. Also see alpha (beta). to ensure 4.5.1 fixes the reported issues and doesn’t introduce any new ones.

Notable Bug Fixes

As noted in the previous post about 4.5.1, there are  two more severe bugs fixed in this release:

  • #36545 – WordPress TinyMCE toolbar/tabs unresponsive in Chrome Version 50.0.2661.75 betaBeta A pre-release of software that is given out to a large group of users to trial under real conditions. Beta versions have gone through alpha testing in-house and are generally fairly close in look, feel and function to the final product; however, design changes often occur as part of the process.-m (64-bit) and
  • #36510 – Twenty eleven page templates with widgets incorrectly styled.

All Changes

Only a few components received changes. Here’s a list of all closed tickets, sorted by component:

Build/Test Tools

  • #36498 Shrinkwrap npm dependencies for 4.5

Bundled Theme

  • #36510 Twenty eleven page templates with widgets incorrectly styled

Customize

  • #36457 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. Device Preview: Use px units for tablet preview size

Database

  • #36629 Database connect functions can cause un-catchable warnings

Editor

  • #36458 Fix support for Safari + VoiceOver when editing inline links

Emoji

  • #36604 Emoji skin tone support test incorrectly passing in Chrome

Feeds

  • #36620 Feeds using an rss-httpHTTP HTTP is an acronym for Hyper Text Transfer Protocol. HTTP is the underlying protocol used by the World Wide Web and this protocol defines how messages are formatted and transmitted, and what actions Web servers and browsers should take in response to various commands. content type are now served as application/octet-stream

Media

  • #36501 Fatal error: Undefined class constant 'ALPHACHANNEL_UNDEFINED'
  • #36578 wp_ajax_send_attachment_to_editor() bugbug A bug is an error or unexpected result. Performance improvements, code optimization, and are considered enhancements, not defects. After feature freeze, only bugs are dealt with, with regressions (adverse changes from the previous version) being the highest priority.
  • #36621 Don’t cache the results of wp_mkdir_p() in a persistent cache

Rewrite Rules

  • #36506 Duplicate directives in web.config after WordPress 4.5 installation on Windows

TinyMCE

  • #36545 WordPress TinyMCE toolbar/tabs unresponsive in Chrome Version 50.0.2661.75 beta-m (64-bit)

Update: We’ve released 4.5.1-RC2, which includes the fix for #36629.

#4-5-1, #maintenance, #release