John Blackbourn (@johnbillion) – WordPress user profile

Member Since: December 7th, 2005
Location: Norwich, UK; and Torino, Italy
Website: johnblackbourn.com
GitHub: johnbillion
Employer: Human Made Ltd
Find me on:

Bio

I’m one of the team of WordPress core developers. I was the release lead for WordPress 4.1 and 4.9.1. I work as a Principal Web Engineer at Human Made.

Previously I’ve worked at Code For The People and WordPress.com VIP.

Contributions Sponsored

Human Made sponsors John Blackbourn to contribute 4 hours per week to the following teams: CLI, Core, Documentation.

Contribution History

Accessibility Contributor
bbPress Contributor
BuddyPress Contributor
Core Contributor
Core Team
Documentation Contributor
Meetup Organizer
Meta Contributor
Plugin Developer
Security Contributor
Security Team
Translation Contributor
WordCamp Organizer
WordCamp Speaker

Activity
Plugins
Favorites
Translations

Posted a reply to Plugin Compatibility with PHP 8.1.9, on the site WordPress.org Forums:
Thanks. Those deprecated errors in the Ajax response are also being triggered by the admin-menu-editor…
1 day ago
Posted a reply to Plugin Compatibility with PHP 8.1.9, on the site WordPress.org Forums:
Re 1, can you expand one of the messages and let me know what it…
2 days ago
Posted a reply to Plugin Compatibility with PHP 8.1.9, on the site WordPress.org Forums:
Thanks! I'll take a look.
2 days ago
Posted a reply to Show In Use, on the site WordPress.org Forums:
I'm not sure if this feature belongs in User Switching but it's definitely an interesting…
3 days ago
Closed ticket #56281 on Core Trac:
A <br> should not be removed
3 days ago
Mentioned in [53941] on Core SVN:
Query: Cache post ID database query within `WP_Query`.
4 days ago
Mentioned in [53937] on Core SVN:
Code Modernization: Remove dynamic properties in `WP_UnitTestCase_Base`.
4 days ago
Mentioned in [53934] on Core SVN:
Media: Account for Windows when normalizing file paths.
5 days ago
Mentioned in [53921] on Core SVN:
Tests: Consistently skip tests for non-implemented methods in REST API test classes.
6 days ago
Posted a reply to Memory usage each hook, on the site WordPress.org Forums:
Unfortunately not! I want to add this, along with timing information for each hook, but…
1 week ago
Mentioned in [53909] on Core SVN:
Tests: Assign created fixtures to the dedicated class properties in some test classes.
1 week ago
Posted a reply to Server Side Cron for MailPoet on WPEngine, on the site WordPress.org Forums:
Is the ’ a copy-paste error? Anyway, your best bet is to ask MailPoet for…
1 week ago
Closed ticket #56399 on Core Trac:
get_page_by_title() Is Not Checking "publish" Post Status
1 week ago
Suggested 1 string on translate.wordpress.org.
1 week ago
Closed ticket #53357 on Core Trac:
Remove capital X from "WordPress eXtended RSS"
2 weeks ago
Posted a reply to “Switch back to [username]” cached on page, on the site WordPress.org Forums:
@perfectword I've been testing this with WP Super Cache and I can't see how the…
2 weeks ago
Posted a reply to Switch back destination, on the site WordPress.org Forums:
The redirect destination can be affected by other plugins, for example I know bbPress overrides…
2 weeks ago
Closed ticket #56372 on Core Trac:
unexpected behavior user.php wp_update_user() detects change in ...
2 weeks ago
Mentioned in [53897] on Core SVN:
Database: Ignore display width for integer data types in `dbDelta()` on MySQL 8.0.17 or later.
2 weeks ago
Pushed 1 commit to WordPress/WordPress:
Build/Test Tools: Move the Memcached container into the Docker Compose...
2 weeks ago
Closed pull request #2689 on WordPress/wordpress-develop:
#55700: Move the Memcached container into the Docker Compose config
2 weeks ago
Closed ticket #55700 on Core Trac:
Move the Memcached container into the Docker Compose config
2 weeks ago
Committed [53895] to Core SVN:
Build/Test Tools: Move the Memcached container into the Docker Compose ...
2 weeks ago
Pushed 1 commit to WordPress/WordPress:
Taxonomy: Add a test file that was missed in [53893].
2 weeks ago
Pushed 1 commit to WordPress/WordPress:
Taxonomy: Introduce the `is_term_publicly_viewable()` function.
2 weeks ago
Committed [53894] to Core SVN:
Taxonomy: Add a test file that was missed in [53893]. See #56215
2 weeks ago
Closed pull request #2974 on WordPress/wordpress-develop:
#56215 - Introduce the `is_term_publicly_viewable()` function
2 weeks ago
Closed ticket #56215 on Core Trac:
Introduce `is_term_publicly_viewable()` function
2 weeks ago
Committed [53893] to Core SVN:
Taxonomy: Introduce the `is_term_publicly_viewable()` function. This ...
2 weeks ago
Pushed 1 commit to WordPress/WordPress:
Editor: Document the arguments for registering a block style.
2 weeks ago
Closed pull request #3082 on WordPress/wordpress-develop:
#55646 Document the arguments for registering a block style
2 weeks ago
Committed [53892] to Core SVN:
Editor: Document the arguments for registering a block style. See #55646
2 weeks ago
Pushed 1 commit to WordPress/WordPress:
Query: Be better at forcing data types for query vars.
2 weeks ago
Closed pull request #3084 on WordPress/wordpress-develop:
#17737 Be better at forcing data types for query vars
2 weeks ago
Closed ticket #17737 on Core Trac:
Be better at forcing data types for query vars
2 weeks ago
Committed [53891] to Core SVN:
Query: Be better at forcing data types for query vars. Several query ...
2 weeks ago
Posted a reply to Query Monitor not finding Reason for Slow Speed, on the site WordPress.org Forums:
Unfortunately this means there is some PHP processing happening that Query Monitor is unable to…
2 weeks ago
Closed pull request #2442 on WordPress/wordpress-develop:
Fix Windows paths resulting from `get_attached_file`.
2 weeks ago
Submitted pull request #3084 to WordPress/wordpress-develop:
#17737 Be better at forcing data types for query vars
2 weeks ago
Submitted pull request #82 to wp-cli/cron-command:
[Refresh] Respect cron locks when running crons
2 weeks ago
Pushed 1 commit to WordPress/WordPress:
Posts, Post Types: Prevent categories from being overwritten when updating...
2 weeks ago
Closed pull request #3057 on WordPress/wordpress-develop:
Prevent categories from being overwritten when updating a post using `wp_insert_post()`
2 weeks ago
Closed ticket #19954 on Core Trac:
wp_insert_post overwrites categories when updating existing post
2 weeks ago
Committed [53883] to Core SVN:
Posts, Post Types: Prevent categories from being overwritten when ...
2 weeks ago
Closed pull request #1531 on WordPress/wordpress-develop:
#53837 Move the PHPCS basepath config out of phpcs.xml.dist
2 weeks ago
Closed ticket #53837 on Core Trac:
Move the basepath config out of phpcs.xml.dist
2 weeks ago
Closed pull request #1065 on WordPress/wordpress-develop:
#49587 - Handle errors from media attachment queries
2 weeks ago
Closed pull request #1538 on WordPress/wordpress-develop:
#53224 Super admin cannot set an application password on a site they're...
2 weeks ago
Pushed 1 commit to WordPress/WordPress:
Application Passwords: Allow a Super Admin to set an application...
2 weeks ago
Closed ticket #53224 on Core Trac:
Super admin cannot set an application password on a site they're not a ...
2 weeks ago