John Blackbourn – @johnbillion

Member Since: December 7th, 2005
Location: Tonbridge, 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

John Blackbourn contributes 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
Translation Contributor
WordCamp Organizer
WordCamp Speaker

Activity
Plugins
Favorites
Translations

Posted a reply to ETA on PHP 8 Fix?, on the site WordPress.org Forums:
Done.

12 hours ago
Committed [2455920] to Plugins Trac:
Update to version 3.6.6 from GitHub

12 hours ago
Committed [2455905] to Plugins Trac:
Updating readme/assets from GitHub

12 hours ago
Committed [2455895] to Plugins Trac:
Updating readme/assets from GitHub

13 hours ago
Posted a reply to User switching not woeking for whol, on the site WordPress.org Forums:
Can you let me know how you're redirecting the wholesaler when they log in? Which…

23 hours ago
Posted a reply to ETA on PHP 8 Fix?, on the site WordPress.org Forums:
Sure, I'll add this to my todo list to get done tomorrow.

23 hours ago
Posted a reply to unable to save custom event, on the site WordPress.org Forums:
Thanks for the reports, I'll look into this.

2 days ago
Created a new ticket, #5572, in Meta Trac:
Plugin FAQ anchor links get broken when used in a forum post

2 days ago
Posted a reply to Tracking user switching, on the site WordPress.org Forums:
Oh they're also in the FAQ: https://wordpress.org/plugins/user-switching/#%0Aare%20any%20plugin%20actions%20called%20when%20a%20user%20switches%20account%3F%0A

2 days ago
Posted a reply to Tracking user switching, on the site WordPress.org Forums:
There are actions in the plugin for this, have a look for do_action() instead of…

2 days ago
Committed [49955] to Core Trac:
REST API: Corrections and improvements to docblocks for REST API ...

3 days ago
Reopened ticket #52238, in Core Trac:
Missing option to change multiple users to "No role for this site"

4 days ago
Created a new ticket, #52265, in Core Trac:
Exclude Twenty Twenty from .gitignore

5 days ago
Closed ticket #51291, in Core Trac:
Add filter to show post list table `column_cb` even without ...

6 days ago
Committed [49950] to Core Trac:
Posts, Post Types: Introduce the `wp_list_table_show_post_checkbox` ...

6 days ago
Committed [49947] to Core Trac:
Taxonomy: Correct and clarify documentation for the return types of ...

6 days ago
Closed ticket #52243, in Core Trac:
Rename `$this` when used in `@param` tags

6 days ago
Committed [49946] to Core Trac:
Plugins: Replace usage of `$this` in action and filter parameter ...

6 days ago
Closed ticket #52246, in Core Trac:
A lower user role user (editor) can assign the post author to a higher ...

6 days ago
Posted a reply to Unable to pay for order after switching, on the site WordPress.org Forums:
In that case your best bet is to spend some time setting up a test…

7 days ago
Closed ticket #51924, in Core Trac:
Add a filter hook to manipulate $user_data variable on ...

7 days ago
Posted a reply to User switching not woeking for whol, on the site WordPress.org Forums:
Right, but what happens when a wholesaler logs in manually with a username and password?…

7 days ago
Posted a reply to Unable to pay for order after switching, on the site WordPress.org Forums:
Does the same problem occur on your test site? If not, I would look into…

7 days ago
Posted a reply to Time stamp for debugging, on the site WordPress.org Forums:
Unfortunately the start time for every query isn't exposed by QM, however it does get…

7 days ago
Posted a reply to PHP 8 warning, on the site WordPress.org Forums:
Thanks, see https://wordpress.org/support/topic/php-warning-in-php8/

1 week ago
Posted a reply to Activate logging, on the site WordPress.org Forums:
Can you tell me more about what you're trying to do?

1 week ago
Posted a reply to User switching not woeking for whol, on the site WordPress.org Forums:
What happens when the wholesaler logs in manually? Are they redirected to the dashboard?

1 week ago
Posted a reply to Edit of phpcron event is not saved, on the site WordPress.org Forums:
Does it work if you try again? ie. is the problem persistent or is it…

2 weeks ago
Posted a reply to Probably-not-important PHP Notice, on the site WordPress.org Forums:
Thanks for the report! I'll take a look.

2 weeks ago
Posted a reply to Missing Event Type, on the site WordPress.org Forums:
Nope the feature is still there, I've just moved it to a single "Add New"…

2 weeks ago
Posted a reply to Plugin update for WordPress version 5.6.x compatibility ?, on the site WordPress.org Forums:
WP Crontrol version 1.9 was just released. It's fully tested and working with WP 5.6.

2 weeks ago
Committed [2448211] to Plugins Trac:
Update to version 1.9.0 from GitHub

2 weeks ago
Posted a reply to Link in a new window, on the site WordPress.org Forums:
Thanks for the suggestion! I won't be changing this behaviour (for now at least) as…

2 weeks ago
Posted a reply to Query/Hours, on the site WordPress.org Forums:
Unfortunately this isn't something that Query Monitor can tell you. QM shows information for the…

2 weeks ago
Created a topic, Please read before posting a support thread, on the site WordPress.org Forums:
Thank you for using WP Crontrol. I hope you find it us…

3 weeks ago
Posted a reply to Is this plugin up to date?, on the site WordPress.org Forums:
There's no hard and fast rule of course, but I think a better metric is…

3 weeks ago
Posted a reply to Is this plugin up to date?, on the site WordPress.org Forums:
Yep the plugin works fine with the latest versions of both WordPress and PHP, I've…

3 weeks ago
Posted a reply to PHP Warning in PHP8, on the site WordPress.org Forums:
Thanks, this is already fixed in the development version. I'll do a release in three…

3 weeks ago
Posted a reply to PHP Error, on the site WordPress.org Forums:
@nick7766 @freshpromo Thanks for the info. I've been testing various plugins in your lists and…

4 weeks ago
Posted a reply to Uncaught DOMException: The quota has been exceeded., on the site WordPress.org Forums:
Is it persistent? This doesn't seem like anything specific to Query Monitor. You should contact…

4 weeks ago
Closed ticket #5549, in Meta Trac:
Use a fixed width font for the ticket information in Trac emails

4 weeks ago
Created a new ticket, #5549, in Meta Trac:
Use a fixed width font for the ticket information in Trac emails

4 weeks ago
Posted a reply to PHP 8.0.x – Support for the latest and most updated official stable version ?, on the site WordPress.org Forums:
Dude, what on earth are you going on about? I literally answered your question in…

1 month ago
Posted a reply to PHP 8.0.x – Support for the latest and most updated official stable version ?, on the site WordPress.org Forums:
Your response does not at all satisfy me, either.

1 month ago
Posted a reply to PHP 8.0.x – Support for the latest and most updated official stable version ?, on the site WordPress.org Forums:
It works fine, I've just not had a need to update the plugin for a…

1 month ago
Posted a reply to 403 error, on the site WordPress.org Forums:
Sorry but I'm unable to help fix issues on your site that WP Crontrol informs…

1 month ago
Posted a reply to How does Query Monitor determine max_execution_time is Overridden at runtime, on the site WordPress.org Forums:
Thanks for the update! It's unfortunate that this isn't easier to debug, but at least…

1 month ago
Posted a reply to Disable Query Monitor output from CSV export, on the site WordPress.org Forums:
It just occurred to me that there is in fact a filter in QM for…

1 month ago
Posted a reply to The DISABLE_WP_CRON constant is set to true. WP-Cron spawning is disabled., on the site WordPress.org Forums:
Sorry but I'm unable to help with problems that this plugin informs you about. It…

1 month ago
Posted a reply to display switch to link as html, on the site WordPress.org Forums:
That function returns the URL, you need to place it inside an <a href="...">...</a> tag.…

1 month ago