Week in Core, March 8th – 14th, 2017

Welcome back the latest issue of Week in CoreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress., covering changes [40239-40291]. Here are the highlights:

  • 53 commits
  • 22 contributors
  • 101 tickets created
  • 12 tickets reopened
  • 48 tickets closed

Ticketticket Created for both bug reports and feature development on the bug tracker. numbers based on trac timeline for the period above. The following is a summary of commits, organized by component.

Code Changes


Build/Test Tools

  • Tests: Use httpsHTTPS HTTPS is an acronym for Hyper Text Transfer Protocol Secure. HTTPS is the secure version of HTTP, the protocol over which data is sent between your browser and the website that you are connected to. The 'S' at the end of HTTPS stands for 'Secure'. It means all communications between your browser and the website are encrypted. This is especially helpful for protecting sensitive data like banking information. URLs for wordpress.comWordPress.com An online implementation of WordPress code that lets you immediately access a new WordPress environment to publish your content. WordPress.com is a private company owned by Automattic that hosts the largest multisite in the world. This is arguably the best place to start blogging if you have never touched WordPress before. https://wordpress.com/ assets in Tests_HTTP_Functions and Tests_Image_Functions. [40289] #31091
  • Update .travis.yml to include latest improvements from trunktrunk A directory in Subversion containing the latest development code in preparation for the next major release cycle. If you are running "trunk", then you are on the latest revision.. [40288] #35105, #40100, #30755, #36291, #36490
  • Switch to Node 0.12.18 when testing the 4.2 branchbranch A directory in Subversion. WordPress uses branches to store the latest development code for each major release (3.9, 4.0, etc.). Branches are then updated with code for any minor releases of that branch. Sometimes, a major version of WordPress and its minor versions are collectively referred to as a "branch", such as "the 4.0 branch".. [40285] #35105
  • Allow Travis CI to cache the node_modules directory. [40280-40281] #36291, #36490
  • Build/Test tools: Get Travis builds working on HHVM again. [40274] #40100
  • Build/Test tools: Don’t install PHPUnit on the travis:js builds. Saves a couple of minutes of build time. [40273] #40100
  • Build/Test tools: Switch to Node 4.7.2 when testing the 4.5 branch. [40266] #35105
  • Build/Test tools: Don’t override the wp_set_auth_cookie() and wp_clear_auth_cookie() functions. [40265] #39367
  • Docs: Remove the duplicate hook documentation for the newly introduced send_auth_cookies filterFilter Filters are one of the two types of Hooks https://codex.wordpress.org/Plugin_API/Hooks. They provide a way for functions to modify data of other functions. They are the counterpart to Actions. Unlike Actions, filters are meant to work in an isolated manner, and should never have side effects such as affecting global variables and output.. [40264] #39367
  • On Travis CI install and use the node version which is specified in package.jsonJSON JSON, or JavaScript Object Notation, is a minimal, readable format for structuring data. It is used primarily to transmit data between a server and web application, as an alternative to XML.. [40258] #35105
  • Build/Test tools: Account for PHPPHP The web scripting language in which WordPress is primarily architected. WordPress requires PHP 5.6.20 5.2 when using Composer to install PHPUnit. [40257] #39822, #40086
  • Build/Test tools: Explicitly use PHPUnit 5.7 for the PHP 7 builds on Travis. [40255] #39822, #40086
  • Build/Test tools: Remove the unnecessary clone of the twentysixteen repo. [40253] #31550, #40066
  • Build/Test tools: Revert [40239] due to unrelated changes. [40240] #39486

Bundled Theme

  • Twenty Seventeen: Correct grammar in ‘Page Layout’ control description. [40270] #40107



  • Docs: Correct @return type for calendar_week_mod(). [40254] #40077


  • Improve wording of the AYS warning when permanently deleting uploads, tags, posts. [40283] #39712


  • Build/Test tools: Don’t attempt to report PHP’s extensions when running HHVM jobs on Travis. It doesn’t work. [40267] #
  • Build/test tools: Add some more debugging to Travis and bring the format of the Xdebug fix inline with branches. [40259] #
  • Updates for 4.6. Merge of and to the 4.6 branch.


  • Tests: Use assertSame() for WP_Query ‘orderby’ tests. [40278] #38034

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/.

TaxonomyTaxonomy A taxonomy is a way to group things together. In WordPress, some common taxonomies are category, link, tag, or post format. https://codex.wordpress.org/Taxonomies#Default_Taxonomies.

  • Fix the formatting of $taxonomies parameter of 'wp_get_object_terms' filter. [40290] #40154
  • Don’t run ‘get_terms’ filter when querying for terms within get_term_by(). [40275] #21760


  • Docs: Correct the description for wp.updates.deleteTheme. [40279] #40110


  • Customize: Show title input placeholders for widgets that have default titles when rendered. [40251] #39909

Thanks to @afercia, @azaozz, @boonebgorges, @bor0, @dingo_bastard, @dlh, @dllh, @gma992, @ig_communitysites, @jnylen0, @johnbillion, @joostdevalk, @jorbi, @lancewillett, @laurelfulford, @MattyRob, @netwe, @netweb, @ocean90, @SergeyBiryukov, @westonruter, and @zoonini for their contributions!