A Week in Core – January 10, 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 January 3 and January 10, 2022.

  • 41 commits
  • 63 contributors
  • 65 tickets created
  • 8 tickets reopened
  • 51 tickets closed

The Core team is currently working on the next major release, WordPress 5.9 🛠

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


  • Add missing texture image for Welcome panel & About page – #54489, #54270
  • Refresh the Dashboard Welcome panel – #54489

Build/Test Tools

  • Add the 5.9 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". to the workflow for testing branches
  • Re-enable E2E tests for the 5.8 branch – #54749
  • Update qUnit test fixtures after [52535]#54745

Bundled Themes

  • Fix: WordPress default presets aren’t loaded for all themes – #54781
  • Update some default presets in use by default themes to the new format – #54782
  • Twenty Twenty-Two: Sync updates from GitHubGitHub GitHub is a website that offers online implementation of git repositories that can easily be shared, copied and modified by other developers. Public repositories are free to host, private repositories require a paid subscription. GitHub introduced the concept of the ‘pull request’ where code changes done in branches by contributors can be reviewed and discussed before being merged be the repository owner. https://github.com/ for RCrelease 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). 1 – #54318

Coding Standards

  • Remove empty space at end of inline comment in _add_default_theme_supports()#54731
  • Correct alignment in get_block_editor_settings()#54728
  • Use strict comparison in wp-admin/options.php#53359
  • Use strict comparison in wp-admin/plugin-install.php#54728
  • Use strict comparison in wp-admin/revision.php#54728
  • Use strict comparison in wp-admin/themes.php#54728


  • Update wordpress packages for WP 5.9 RC 1 – #54487


  • Fix oEmbed host script enqueueing on 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.-based themes – #44632

External Libraries

  • Update jQuery hoverIntent to version 1.10.2 – #54722, #51812


  • Correctly encode ASCII characters in post slugs

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. 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.

  • Improve docs for wp_remote_retrieve_header function return value – #51736


  • Change the HTMLHTML HyperText Markup Language. The semantic scripting language primarily used for outputting content in web browsers. title of Themes Screen and add related HelpHub Docs link – #54707
  • Change the Learn WP link in the about page – #54755
  • Correction in “Managing Themes” HelpHub Docs link – #54707
  • Correction on the documentation link about adding new themes – #54709
  • Use “refactoring” noun form in WordPress 5.9 About Page – #54270
  • WordPress 5.9 About Page

Login and Registration

  • Remove aria-expanded from “Generate Password” button – #54538
  • Rename login_language_switcher_args to login_language_dropdown_args#54696
  • Rename two filters related to language dropdown for better consistency – #54696


  • Improve sanitization within WP_Meta_Query
  • Improve sanitization within WP_Tax_Query

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/.

  • Add unit tests for the 404 template slug handler – #54680
  • Typo correction in a link description object – #54745

RevisionsRevisions The WordPress revisions system stores a record of each saved draft or published update. The revision system allows you to see what changes were made in each revision by dragging a slider (or using the Next/Previous buttons). The display indicates what has changed in each revision.

  • Improve _set_preview for case when autosave is missing – #54708

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.

  • Typo correction in context used for the navigation link block title – #54566


  • Make block themes support HTML5 by default – #54731, #54597


  • Avoid using unserialize() unnecessarily
  • Fix parameter count in error call when an automatic core upgrade fails – #53284
  • Make first comment URLs translatable – #54535


Thanks to the 63 people who contributed to WordPress Core on Trac last week: @hellofromTonya (9), @audrasjb (7), @desrosj (5), @SergeyBiryukov (4), @costdev (4), @xknown (4), @tobifjellner (3), @jdy68 (3), @dd32 (3), @marybaum (3), @sabernhardt (2), @oandregal (2), @critterverse (2), @kebbet (2), @melchoyce (2), @walbo (2), @webcommsat (2), @Mamaduka (2), @johnjamesjacoby (2), @davidbaumwald (2), @peterwilsoncc (2), @vortfu (2), @chanthaboune (1), @mukesh27 (1), @mkaz (1), @kjellr (1), @ryelle (1), @annezazu (1), @paaljoachim (1), @richtabor (1), @Clorith (1), @mitogh (1), @adamsilverstein (1), @kafleg (1), @faisal03 (1), @swissspidy (1), @westonruter (1), @rachelbaker (1), @ockham (1), @flixos90 (1), @cbringmann (1), @smit08 (1), @nalininonstopnewsuk (1), @hlashbrooke (1), @sainthkh (1), @devutpol (1), @Chouby (1), @la-geek (1), @zieladam (1), @whyisjake (1), @iandunn (1), @ehtis (1), @alexstine (1), @dansoschin (1), @jameskoster (1), @noisysocks (1), @karmatosed (1), @poena (1), @robtarr (1), @felipeelia (1), @joyously (1), @ocean90 (1), and @titsmaker (1).

Congrats and welcome to our new contributor of the week: @dansoschin, @robtarr ♥️

Core committers: @audrasjb (13), @sergeybiryukov (9), @hellofromtonya (5), @davidbaumwald (4), @desrosj (4), @ryelle (3), @jorgefilipecosta (2), and @noisysocks (1).

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