John Blackbourn – @johnbillion

Member Since: December 7th, 2005
Location: Tonbridge, UK; and Torino, Italy
Website: johnblackbourn.com
GitHub: johnbillion
Job Title: Senior WordPress Engineer
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 an engineer at Human Made.

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

Contributions Sponsored

John Blackbourn contributes 8 hours per week to the following teams: CLI, Core, Documentation.

Contribution History

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

Activity
Plugins
Favorites
Translations

Posted a reply to BackupBuddy Won’t Backup and Won’t Update, on the site WordPress.org Forums:
This is not the BackupBuddy forum, this is the User Switching Forum

23 hours ago
Posted a reply to Get data programmatically, on the site WordPress.org Forums:
Query Monitor doesn't store any data persistently, so connecting it to an external services isn't…

1 day ago
Wrote a comment on the post Proposal: GitHub Theme Review, on the site Theme Review Team:
Also happy to help with anything GitHub and Actions related.

1 day ago
Committed [2288686] to Plugins Trac:
Updating readme/assets from GitHub

2 days ago
Committed [2288685] to Plugins Trac:
Remove Compsoer files.

2 days ago
Committed [2288682] to Plugins Trac:
Updating readme/assets from GitHub

2 days ago
Posted a reply to Ecwid collecting my email address without permission, on the site WordPress.org Forums:
Thanks

2 days ago
Committed [2288491] to Plugins Trac:
Updating readme/assets from GitHub

2 days ago
Committed [2288489] to Plugins Trac:
Meta updates

2 days ago
Committed [2287904] to Plugins Trac:
Update to version 1.8.1 from GitHub

3 days ago
Created a new ticket, #5162, in Meta Trac:
Display a "welcome" message when a user hasn't submitted a patch or ...

3 days ago
Posted a reply to Add New Cron Job (ERROR), on the site WordPress.org Forums:
@kabeerhussain14 Does your code work if you add just 1 second to the time?

3 days ago
Posted a reply to Add New Cron Job (ERROR), on the site WordPress.org Forums:
Ah I've seen this problem before. I think scheduling a job for time() can be…

3 days ago
Posted a reply to Add New Cron Job (ERROR), on the site WordPress.org Forums:
Do you have an object cache plugin on your site? Can you try deactivating it…

3 days ago
Posted a reply to Add New Cron Job (ERROR), on the site WordPress.org Forums:
There could be an issue with the object cache on your site. * Can you…

3 days ago
Created a new ticket, #49961, in Core Trac:
Expose the reason for failures that occur within WP-Cron functions

3 days ago
Posted a reply to Add New Cron Job (ERROR), on the site WordPress.org Forums:
Unfortunately WordPress core doesn't expose the underlying reason for the failure when creating a cron…

3 days ago
Posted a reply to Deleting Cron, on the site WordPress.org Forums:
Found the problem, the bottom bulk actions menu isn't working, but the top one is.…

3 days ago
Posted a reply to Deleting Cron, on the site WordPress.org Forums:
Oh that's good to know thanks, I'll get that checked.

3 days ago
Posted a reply to Deleting Cron, on the site WordPress.org Forums:
Oh the orange bar can show up for events that have missed their next run…

3 days ago
Posted a reply to Deleting Cron, on the site WordPress.org Forums:
The orange bar is just a visual indicator for events without an action (should be…

3 days ago
Posted a reply to External object use error, on the site WordPress.org Forums:
You need to install a Redis plugin.

3 days ago
Posted a reply to Deleting Cron, on the site WordPress.org Forums:
This sounds like a caching issue on your site. Try deactivating any caching plugins you've…

3 days ago
Posted a reply to Error message about preview, on the site WordPress.org Forums:
Query Monitor is just telling you the problem. You'll need to deactivate your other plugins…

3 days ago
Posted a reply to BackupBuddy Won’t Backup and Won’t Update, on the site WordPress.org Forums:
Wrong forum :-)

3 days ago
Created a topic, Attribution, on the site WordPress.org Forums:
Hi. This plugin is clearly based on my User Switching…

3 days ago
Posted a reply to Attribution, on the site WordPress.org Forums:
This has been addressed, thank you.

3 days ago
Committed [2287078] to Plugins Trac:
Updating readme/assets from GitHub

4 days ago
Committed [2287039] to Plugins Trac:
Update to version 1.8.0 from GitHub

4 days ago
Committed [2286915] to Plugins Trac:
Screenshot

4 days ago
Committed [2286914] to Plugins Trac:
Screenshot updates

4 days ago
Posted a reply to Impact for non-admin hits, on the site WordPress.org Forums:
Yeah QM always collects data but doesn't do any processing of it unless the current…

6 days ago
Posted a reply to Error message comes up!, on the site WordPress.org Forums:
In that case can you try deactivating QM and see what the error says? Whatever…

6 days ago
Posted a reply to Error message comes up!, on the site WordPress.org Forums:
This is just QM re-throwing an exception that's occurred on your site (this isn't very…

6 days ago
Posted a reply to Question about PHP-Cron, on the site WordPress.org Forums:
You should use an absolute path for your file (eg by using ABSPATH or WP_CONTENT_DIR),…

6 days ago
Posted a reply to Toolbar query monitor not visible anymore, on the site WordPress.org Forums:
Also please let me know who you're hosted with.

7 days ago
Posted a reply to Toolbar query monitor not visible anymore, on the site WordPress.org Forums:
Can you all try deactivating your other plugins one by one to see if there's…

7 days ago
Posted a reply to Toolbar query monitor not visible anymore, on the site WordPress.org Forums:
Are you logged in as an administrator? Do you have any user role or capability…

1 week ago
Posted a reply to Install, on the site WordPress.org Forums:
Any errors showing in your browser developer console? Any fatal errors showing in your PHP…

1 week ago
Posted a reply to Plugin crashed my site temporary, on the site WordPress.org Forums:
Thanks for the message. This is a false positive in the fatal error handler in…

1 week ago
Posted a reply to Ecwid collecting my email address without permission, on the site WordPress.org Forums:
Screenshot:

1 week ago
Created a topic, Ecwid collecting my email address without permission, on the site WordPress.org Forums:
When accessing the Ecwid -> Setup screen in the Wor…

1 week ago
Posted a reply to BackupBuddy Won’t Backup and Won’t Update, on the site WordPress.org Forums:
Looks like you posted this on the wrong forum.

1 week ago
Closed ticket #26976, in Core Trac:
WP should try to set a default title

1 week ago
Closed ticket #27624, in Core Trac:
Add a filter to override the location of htaccess file

1 week ago
Closed ticket #49885, in Core Trac:
Introduce an option to add emoji when writing a post

1 week ago
Created a new ticket, #49887, in Core Trac:
No user feedback when trying to bulk delete an active plugin

2 weeks ago
Posted a reply to plugin left tool is appearing behind the admin left menu, on the site WordPress.org Forums:
It looks like you're using a custom theme for your admin area. The plugin you're…

2 weeks ago
Posted a reply to Still Maintained?, on the site WordPress.org Forums:
Yep, I've been working on some changes but haven't had a need to release an…

2 weeks ago
Posted a reply to Can’t choose parent page with Query Monitor enabled, on the site WordPress.org Forums:
What's the fatal error that shows up in your PHP error log when this happens?…

2 weeks ago