A Week in Core – February 28, 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 21 and February 28, 2022.

  • 24 commits
  • 46 contributors
  • 66 tickets created
  • 6 tickets reopened
  • 50 tickets closed

Last week, the Core Team rolled out the WordPress 5.9.1 Maintenance Release 🚀

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


  • Consistency fixes on keyboard shortcuts instructions – #40582
  • Further enhancements on small text fields after [52649]#50177

Code Modernization

  • Check the return type of wp_parse_url() in wp_mail()#54730


  • Add missing descriptions for some parameters of WP_Walker::paged_walk()#55225
  • Correct return type for get_block_metadata_i18n_schema()#55243, #54729
  • Correct return type for get_post_custom()#55249, #54729
  • Use third-person singular verbs for function descriptions in wp-includes/formatting.php#54729

External Libraries

  • Upgrade PHPMailer to version 6.6.0 – #55277

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.

  • Include the ssh-ed25519 public key signature algorithm as an alternative to ssh-rsa#52409


  • Make terms in wpautop() and shortcode_unautop() more welcoming and inclusive – #25615

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


  • Make get_post_galleries() only return galleries – #55203
  • Stop arrow keys switching media if URLURL A specific web address of a website or web page on the Internet, such as a website’s URL www.wordpress.org focused – #43202
  • Use consistent mirroring check in media views – #53856


  • Add focus style to 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 icon link in plugin cards – #45209


  • Correct the “matched rule” condition in WP::parse_request()#55222


  • Preinitialize the WP class properties to their default values – #55222

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/.

  • Pass WP_REST_Request object to the rest_index 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.. – #48638.


  • Add a @ticket reference for the current_theme_supports-{$feature} filter test – #54725
  • Rename the $success variable to $result in the wp_mail() test for an empty home URL – #54730


  • Avoid undefined variable warning on get_svg_filters()#55241
  • Remove the Live Preview link when installing a 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. theme from a zip archive – #54578


Thanks to the 46 people who contributed to WordPress Core on Trac last week: @SergeyBiryukov (7), @audrasjb (5), @hellofromTonya (3), @jrf (2), @afercia (2), @jeremyfelt (2), @ironprogrammer (2), @sabernhardt (2), @dd32 (2), @hasanuzzamanshamim (1), @chouby (1), @bhrugesh12 (1), @jrivett (1), @joemcgill (1), @rafiahmedd (1), @aliakseyenkaihar (1), @TimothyBlynJacobs (1), @hitendra-chopda (1), @themattroyal (1), @imokol (1), @ricomoorman (1), @tzipporahwitty (1), @peterwilsoncc (1), @Viper007Bond (1), @Spacedmonkey (1), @BinaryMoon (1), @johnregan3 (1), @richybkreckel (1), @miken32 (1), @malthert (1), @johnbillion (1), @knutsp (1), @ocean90 (1), @Presskopp (1), @joyously (1), @MMDeveloper (1), @glendaviesnz (1), @alanjacobmathew (1), @antonvlasenko (1), @kebbet (1), @pyrobd (1), @dennisatyoast (1), @azouamauriac (1), @Synchro (1), @costdev (1), and @rmccue (1).

Congrats and welcome to our 10 (!) new contributors of the week: @bhrugesh12, @jrivett, @aliakseyenkaihar, @themattroyal, @imokol, @ricomoorman, @tzipporahwitty, @richybkreckel, @miken32, and @dennisatyoast ♥️

Core committers: @sergeybiryukov (10), @audrasjb (10), @joedolson (2), @spacedmonkey (1), and @hellofromtonya (1).

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