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 2 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 Editing / Deleting Custom Cron Jobs – “Does Not Exist”, on the site WordPress.org Forums:
Ah yeah so what happens is if you take more than 5 seconds to edit…
1 day ago
Posted a reply to Editing / Deleting Custom Cron Jobs – “Does Not Exist”, on the site WordPress.org Forums:
Thanks for the report. I've written some info about this problem here which could help:…
2 days ago
Translated 2 strings on translate.wordpress.org.
4 days ago
Posted a reply to Multisite Setup Configuration, on the site WordPress.org Forums:
You can active WP Crontrol on one or more sites on the network, or you…
5 days ago
Mentioned in [54041] on Core SVN:
Tests: Use correct `post_author` value in `WP_Test_REST_Attachments_Controller`.
6 days ago
Mentioned in [54040] on Core SVN:
Tests: Correctly back up and restore theme directories in `Tests_Theme`.
6 days ago
Posted a reply to Cloudflare conflict, on the site WordPress.org Forums:
What happens when you try to switch user? Do you see any error message?
6 days ago
Posted a reply to tasks that disappear, on the site WordPress.org Forums:
De rien :)
6 days ago
Posted a reply to tasks that disappear, on the site WordPress.org Forums:
Thanks. As WP Crontrol doesn't change the way that events run, can you test your…
6 days ago
Posted a reply to tasks that disappear, on the site WordPress.org Forums:
Thanks for the report. How are you running the events? Are you using the "Run…
6 days ago
Posted a reply to Need to create command CRON for automatic notifications with Amelia, on the site WordPress.org Forums:
Yes you can achieve this with the "PHP Cron" feature, please take a look at…
7 days ago
Translated 1 string on translate.wordpress.org.
7 days ago
Posted a reply to Plugin Compatibility with PHP 8.1.9, on the site WordPress.org Forums:
👍
1 week ago
Posted a reply to PHP fatal error when switching the theme, on the site WordPress.org Forums:
This isn't anything I can help you with, sorry. Activating a plugin on the after_switch_theme…
1 week ago
Posted a reply to Want to know if plugin is compatible with PHP 8.1, on the site WordPress.org Forums:
Please take the time to read the FAQs before asking this question of every plugin…
1 week ago
Posted a reply to Want to know if plugin is compatible with PHP 8.1, on the site WordPress.org Forums:
Yes it is. Please see the very first question in the FAQ.
1 week ago
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 week 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 weeks 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 weeks 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…
2 weeks ago
Closed ticket #56281 on Core Trac:
A <br> should not be removed
2 weeks ago
Mentioned in [53941] on Core SVN:
Query: Cache post ID database query within `WP_Query`.
2 weeks ago
Mentioned in [53937] on Core SVN:
Code Modernization: Remove dynamic properties in `WP_UnitTestCase_Base`.
2 weeks ago
Mentioned in [53934] on Core SVN:
Media: Account for Windows when normalizing file paths.
2 weeks ago
Mentioned in [53921] on Core SVN:
Tests: Consistently skip tests for non-implemented methods in REST API test classes.
2 weeks 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…
2 weeks ago
Mentioned in [53909] on Core SVN:
Tests: Assign created fixtures to the dedicated class properties in some test classes.
3 weeks 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…
3 weeks ago
Closed ticket #56399 on Core Trac:
get_page_by_title() Is Not Checking "publish" Post Status
3 weeks ago
Suggested 1 string on translate.wordpress.org.
3 weeks ago
Closed ticket #53357 on Core Trac:
Remove capital X from "WordPress eXtended RSS"
3 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…
3 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…
3 weeks ago
Closed ticket #56372 on Core Trac:
unexpected behavior user.php wp_update_user() detects change in ...
3 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.
3 weeks ago
Pushed 1 commit to WordPress/WordPress:
Build/Test Tools: Move the Memcached container into the Docker Compose...
3 weeks ago
Closed pull request #2689 on WordPress/wordpress-develop:
#55700: Move the Memcached container into the Docker Compose config
3 weeks ago
Closed ticket #55700 on Core Trac:
Move the Memcached container into the Docker Compose config
3 weeks ago
Committed [53895] to Core SVN:
Build/Test Tools: Move the Memcached container into the Docker Compose ...
3 weeks ago
Pushed 1 commit to WordPress/WordPress:
Taxonomy: Add a test file that was missed in [53893].
3 weeks ago
Pushed 1 commit to WordPress/WordPress:
Taxonomy: Introduce the `is_term_publicly_viewable()` function.
3 weeks ago
Committed [53894] to Core SVN:
Taxonomy: Add a test file that was missed in [53893]. See #56215
3 weeks ago
Closed pull request #2974 on WordPress/wordpress-develop:
#56215 - Introduce the `is_term_publicly_viewable()` function
3 weeks ago
Closed ticket #56215 on Core Trac:
Introduce `is_term_publicly_viewable()` function
3 weeks ago
Committed [53893] to Core SVN:
Taxonomy: Introduce the `is_term_publicly_viewable()` function. This ...
3 weeks ago
Pushed 1 commit to WordPress/WordPress:
Editor: Document the arguments for registering a block style.
3 weeks ago
Closed pull request #3082 on WordPress/wordpress-develop:
#55646 Document the arguments for registering a block style
3 weeks ago
Committed [53892] to Core SVN:
Editor: Document the arguments for registering a block style. See #55646
3 weeks ago
Pushed 1 commit to WordPress/WordPress:
Query: Be better at forcing data types for query vars.
3 weeks ago
Closed pull request #3084 on WordPress/wordpress-develop:
#17737 Be better at forcing data types for query vars
3 weeks ago