A Week in Core – March 7, 2022

Welcome back to a new issue of Week in CoreCore Core is the set of software required to run WordPress. The Core Development Team builds WordPress.. Let’s take a look at what changed on TracTrac An open source project by Edgewall Software that serves as a bug tracker and project management tool for WordPress. between February 28 and March 7, 2022.

  • 21 commits
  • 43 contributors
  • 62 tickets created
  • 3 tickets reopened
  • 48 tickets closed

The Core team is currently working on the next minor releaseMinor Release A set of releases or versions having the same minor version number may be collectively referred to as .x , for example version 5.2.x to refer to versions 5.2, 5.2.1, 5.2.3, and all other versions in the 5.2 (five dot two) branch of that software. Minor Releases often make improvements to existing features and functionality., WP 5.9.2, and on the next major, WP 6.0 🛠

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

Code changes


  • Require a valid action parameter to be set for admin-ajax.php requests – #55212


  • Stop unnecessary queries when using the do_parse_request 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.#10886

Coding Standards

  • Improve formatting in /wp-admin/user-edit.php#54673


  • Guard against potential PHPPHP The web scripting language in which WordPress is primarily architected. WordPress requires PHP 5.6.20 or higher notices in get_comment_author and get_comment_ID#54379


  • Add a @since note for WP::parse_request() about the new return value – #10886
  • Add inline comments for non-visible characters in sanitize_title_with_dashes()#47912, #54729
  • Correct the indentation in delete_term_relationships filter – #54673
  • Update the DocBlockdocblock (phpdoc, xref, inline docs) for the wpmu_new_blog action to suggest wp_initialize_site as an alternative – #49612
  • Use third-person singular verbs for function descriptions in wp-includes/class-wp-user.php#54729
  • Use third-person singular verbs for function descriptions in wp-includes/formatting.php, per the documentation standards – #54729

External Libraries

  • Upgrade PHPMailer to version 6.6.0 – #55277


  • Improve MS Edge user-agent sniffsniff A module for PHP Code Sniffer that analyzes code for a specific problem. Multiple stiffs are combined to create a PHPCS standard. The term is named because it detects code smells, similar to how a dog would "sniff" out food.#55297

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.

  • Add a $locale parameter for remove_accents()#54415


  • Allow wp_check_filetype() to support query strings in URLs – #30377

Networks and Sites

  • Suggest wp_initialize_site as an alternative for the deprecated wpmu_new_blog action – #49612


  • Make sure WP_Query::get_queried_object() works for author_name before ::get_posts() is run – #55100


  • Restore the original user role in the (add|remove)_user_role hooksHooks In WordPress theme and development, hooks are functions that can be applied to an action or a Filter in WordPress. Actions are functions performed when a certain event occurs in WordPress. Filters allow you to modify certain functions. Arguments used to hook both filters and actions look the same. test – #54164


  • Correct the logic for displaying a _doing_it_wrong() notice for add_theme_support( 'html5' )#51657
  • Hide blockBlock Block is the abstract term used to describe units of markup that, composed together, form the content or layout of a webpage using the WordPress editor. The idea combines concepts of what in the past may have achieved with shortcodes, custom HTML, and embed discovery into a single consistent API and user experience. themes’ live preview link following installation – #54878
  • Make sure the current_theme_supports-{$feature} filter is consistently applied – #55219


  • Bring some consistency to user role hooks – #54164


Thanks to the 43 people who contributed to WordPress Core on Trac last week: @SergeyBiryukov (6), @dd32 (6), @costdev (3), @johnbillion (2), @audrasjb (2), @peterwilsoncc (2), @azouamauriac (2), @pbearne (1), @arnee (1), @tyxla (1), @DrewAPicture (1), @lukecavanagh (1), @davidbaumwald (1), @Spacedmonkey (1), @voldemortensen (1), @helgatheviking (1), @pavanpatil1 (1), @sivel (1), @jrf (1), @Synchro (1), @miken32 (1), @malthert (1), @knutsp (1), @wonderboymusic (1), @henry.wright (1), @westi (1), @mukesh27 (1), @layotte (1), @atomicjack (1), @supercleanse (1), @spencercameron (1), @ianmjones (1), @abdullahramzan (1), @Boniu91 (1), @ryan (1), @swissspidy (1), @johnregan3 (1), @antonvlasenko (1), @ironprogrammer (1), @asaquzzaman (1), @MadtownLems (1), @junsuijin (1), and @ocean90 (1).

Congrats and welcome to our 4 new contributors of the week: @pavanpatil1, @supercleanse, @spencercameron, @asaquzzaman ♥️

Core committers: @sergeybiryukov (13), @audrasjb (4), @peterwilsoncc (2), @davidbaumwald (1), and @spacedmonkey (1).

#5-9, #6-0, #core, #week-in-core