Week In Core, July 12 – July 19 2016

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 [38040-38110]. Here are the highlights:

  • 71 commits
  • 40 contributors
  • 82 tickets created
  • 7 tickets reopened
  • 78 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

AccessibilityAccessibility Accessibility (commonly shortened to a11y) refers to the design of products, devices, services, or environments for people with disabilities. The concept of accessible design ensures both “direct access” (i.e. unassisted) and “indirect access” meaning compatibility with a person’s assistive technology (for example, computer screen readers). (https://en.wikipedia.org/wiki/Accessibility)

  • Improve keyboard navigation on the themes browser modal window [38084] #37383

Bundled Themes



  • Use wp_strip_all_tags() to strip HTMLHTML HyperText Markup Language. The semantic scripting language primarily used for outputting content in web browsers. tags [38092] #37208
  • Include comment_content with html and without in blacklist_keys comparison [38048] #37208
  • Strip html tags from comment content before blacklist_keys comparison [38047] #37208


  • Add unit testunit test Code written to test a small piece of code or functionality within a larger application. Everything from themes to WordPress core have a series of unit tests. Also see regression. to test that a column type change for a table name with a hyphen is working after [38044] #31679


  • Use the three-digit, x.x.x-style version in the DocBlockdocblock (phpdoc, xref, inline docs) for the nested lowercase_octets() function. [38107] #32246
  • Add a missing DocBlock for the lowercase_octets() function, which is nested within redirect_canonical() [38106] #32246
  • Clarify the fields argument description in WP_Network_Query::__construct(). [38104] #32504
  • Clarify the fields argument description in WP_Site_Query::__construct(). [38103] #35791
  • Correct comment_max_links_url 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. and $url param descriptions to communicate values are found links [38098] #37319
  • Correct type of WP_Post_Type::$cap from array to object. [38097] #36217
  • Correct $post parameter name and description for wp_attachment_is() and wp_attachment_is_image(). [38068] #37377
  • Update a cross-reference in the DocBlock for wp_register_plugin_realpath() from plugin_basename() to wp_normalize_path(). [38061] #37357
  • Add an initial since version to wp-includes/feed.php [38056] #32246, #36295
  • Update the default value for the optional $args parameter in get_networks() following [38055] #32504
  • Add and clarify changelog entries for elements that can now accept, use, or return WP_Post_Type objects [38051] #36217


  • Enqueue the wp-embed script to fix embed previews inside the media modal. [38062] #37334


External Libraries

Filesystem 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.

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. API

  • Pass proxy settings to Requests [38054] #33055, #37107
  • Update Requests. Fixes an issue where you couldn’t set a Requests_Proxy_HTTP object as a proxy setting. [38053] #37107, #33055
  • Remove duplicate documentation for the http_api_debug hook. [38043] #37081

I18Ni18n Internationalization, or the act of writing and preparing code to be fully translatable into other languages. Also see localization. Often written with a lowercase i so it is not confused with a lowercase L or the numeral 1. Often an acquired skill.

  • Remove non-translatable link attributes from translatable strings in wp_plugin_update_row(), wp_theme_update_row(), and get_theme_update_available() [38082] #36048
  • Combine duplicate “Menu Locations” and “Menu Options” strings. [38080] #18218
  • Combine two duplicate “Invalidinvalid A resolution on the bug tracker (and generally common in software development, sometimes also notabug) that indicates the ticket is not a bug, is a support request, or is generally invalid. post type” strings. [38076] #18218
  • Change unnecessary uppercased words in WP_Upgrader::generic_strings() to lower case. [38074] #18218
  • Combine two duplicate “Unable to locate WordPress Theme directory” strings. [38073] #18218
  • After [38057], consistently use a context for other instances of Activate %s,Networknetwork (versus site, blog) Activate %s, and Delete %s strings [38071] #37290
  • Remove a stray translator comment added in [38070] #37290




  • Add missing gettext to a string added in [38090] #37394
  • Update list of translatable strings for MediaElement.js. [38089] #37394
  • Prevent image_get_intermediate_size() from returning cropped images [38086] #34384, #34980
  • Always add alt attributes to images inserted from URLURL A specific web address of a website or web page on the Internet, such as a website’s URL www.wordpress.org [38065] #36735
  • URL encode spaces in srcset attributes [38052] #36549

MetaMeta Meta is a term that refers to the inside workings of a group. For us, this is the team that works on internal WordPress sites like WordCamp Central and Make WordPress.

  • Ensure $wp_meta_keys is an array in get_registered_meta_keys(). [38108] #37415, #35658
  • Remove object subtype handling from register_meta() [38095] #35658
  • Ensure filters are backwards compatible for pre-4.6 style meta registration [38041] #35658

Multisitemultisite Used to describe a WordPress installation with a network of multiple blogs, grouped by sites. This installation type has shared users tables, and creates separate database tables for each blog (wp_posts becomes wp_0_posts). See also network, blog, site

  • Correct default value for orderby in WP_Network_Query::__construct() [38102] #32504
  • Correct default values for orderby and order in WP_Site_Query::__construct() [38085] #35791
  • Set default $args to an empty array in get_networks() [38042] #32504


  • In wp_install_maybe_enable_pretty_permalinks() [38109] #36628
  • Rename $usingpi to $using_index_permalinks for clarity. [38067] #37380
  • After [37747], make sure $usingpi, $writable, and $update_required are defined before checking them on permalinks update.


  • Use the correct adminadmin (and super admin) screen when searching for plugins via Ajax [38091] #37373


  • Link to the 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 Developer Handbook on DevHub as the primary resource for information on extending WordPress [38105] #37399


  • Introduce capability tests for non-logged-in users. [38096] #37405

Script Loader

  • Limit resource hinting to enqueued assets [38100] #37385
  • Increase priority of wp_resource_hints() so hints get printed before scripts and styles [38046] #37317

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.

  • Improve back compatback compat Backward compatibility - a desire to ensure that plugins and themes do not break under new releases - is a driving philosophy of WordPress. While it is a commonly accepted software development practice to break compatibility in major releases, WordPress strives to avoid this at all costs. Any backward incompatible change is carefully considered by the entire core development team and announced, with affected plugins often contacted. It should be noted that external libraries, such as jQuery, do have backward incompatible changes between major releases, which is often going to be a greater concern for developers. of values passed to ‘terms_clauses’ filter [38099] #37378
  • Correct WP_Error usage in WP_Tax_Query::clean_query() and WP_Tax_Query::transform_query(). [38079] #37389
  • On term.php, use $taxnow when fetching currently edited term. #37205. [38069] #37205

Text Changes

  • Change Network deactivate %s to upper case, for consistency with Network Activate %s. [38081] #37290
  • Add a full stop to “Invalid taxonomy” and “Invalid term ID” strings, for consistency with similar post-related messages. [38077] #18218, #32329
  • After [37297], replace two more instances of “WordPress.orgWordPress.org The community site where WordPress code is created and shared by the users. This is where you can download the source code for WordPress core, plugins and themes as well as the central location for community conversations and organization. https://wordpress.org/ Plugin Directory” with “WordPress Plugin Directory”.


  • Replace the editor iframeiframe iFrame is an acronym for an inline frame. An iFrame is used inside a webpage to load another HTML document and render it. This HTML document may also contain JavaScript and/or CSS which is loaded at the time when iframe tag is parsed by the user’s browser. title on MacOS to fix the help shortcut. [38110] #36863

Twenty Thirteen

  • Fix selective refresh of Masonry-laid out widgets by deferring initialization until DOM ready [38083] #37390

Unit Tests


  • Give context to some install/update strings to allow for differentiation between theme and plugin translations. [38057] #37290


  • Update help text for user-new.php to remove reference to sending passwords via email. [38064] #36763

WP Mail


Thanks to @ramiy, @afercia, @alleynoah, @ambrosey, @anneschmidt, @azaozz, @boonebgorges, @bpetty, @celloexpressions, @cfinke, @Clorith, @dabnpits, @davidakennedy, @dlh, @DrewAPicture, @flixos, @flixos90, @iandunn, @jeremyfelt, @joemcgill, @johnbillion, @karmatosed, @morganestes, @ocean90, @pbearne, @pento, @peterwilsoncc, @rachelbaker, @ramiy, @rmccue, @ruudjoyo, @SergeyBiryukov, @stephenharris, @swissspidy, @szepeviktor, @underdude, @vishalkakadiya, @westonruter, and @zuige for their contributions!

#4-6, #week-in-core