John Blackbourn
- Member Since: December 7th, 2005
- London, UK
- https://johnblackbourn.com
- Senior WordPress Engineer at Human Made Ltd
- @johnbillion on WordPress.org and Slack
- Core Contributor
- Core Team
- Documentation Contributor
- Meta Contributor
- Translation Contributor
- Plugin Developer
Bio/Description
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Posted a reply to Unable to get errors in ajax, on the site WordPress.org Forums:
Thanks for the message, Amritansh. Take a look at this thread and hopefully you'll find…2 days ago
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Committed [41552] to Core Trac:
Multisite: Correct the docs for `maybe_add_existing_user_to_blog()`. See ...3 days ago
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Committed [41469] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41468] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41467] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41466] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41465] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41464] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41463] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41462] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Committed [41461] to Core Trac:
Filesystem API: Ensure filenames are valid before attempting to unzip them ...4 days ago
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Posted a reply to Catchable Fatal Error, on the site WordPress.org Forums:
Thanks for the report. This is the same as the issue reported here with another…5 days ago
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Committed [1731469] to Plugins Trac:
Updated banner image6 days ago
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Posted a reply to “Could not switch users.”, infact it doesn’t switch, on the site WordPress.org Forums:
Strange, it shouldn't affect the login screen like that. It sounds like a bug in…1 week ago
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Posted a reply to Tutorial resource needed, on the site WordPress.org Forums:
As a non-developer, you're probably not in a position to be able to fix issues…1 week ago
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Posted a reply to Missing Styles, on the site WordPress.org Forums:
If you're deregistering a style which is a dependency of another then you'll get an…1 week ago
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Posted a reply to <span class=\"resolved\" aria-label=\"Resolved\" title=\"Topic is resolved.\"></span>[Query Monitor] How to use this plugin, on the site WordPress.org Forums:
As a non-developer, you’re probably not in a position to be able to fix issues…1 week ago
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Posted a reply to What to do?, on the site WordPress.org Forums:
Thanks. This means that either the theme on your site, or one of your plugins,…1 week ago
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Posted a reply to “Could not switch users.”, infact it doesn’t switch, on the site WordPress.org Forums:
Can you deactivate all your other plugins and enable one of the default themes such…1 week ago
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Posted a reply to What to do?, on the site WordPress.org Forums:
What's the exact message you're seeing?1 week ago
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Posted a reply to Conflict with Revisionary, on the site WordPress.org Forums:
Thanks for the message, Steve. The problem is because the user_has_cap filter in WordPress core…1 week ago
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Posted a reply to Cron Event on weekdays only?, on the site WordPress.org Forums:
Cron schedules use a simple interval, so there's no way to schedule something for weekdays.…2 weeks ago
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Posted a reply to Attributing responsibility for slow SQL queries to the wrong plugin, on the site WordPress.org Forums:
Wouldn't it be great if we could just attribute everything to a CPU instruction? :-D…2 weeks ago
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Posted a reply to Attributing responsibility for slow SQL queries to the wrong plugin, on the site WordPress.org Forums:
I've taken another look at the code in QM that determines which component is responsible…2 weeks ago
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Committed [1727107] to Plugins Trac:
Tag 2.14.02 weeks ago
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Committed [1727106] to Plugins Trac:
Version 2.14.02 weeks ago
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Posted a reply to Custom Shortcodes cannot access taxonomy, on the site WordPress.org Forums:
Author of Extended CPTs / Taxos here. I removed the special init handling from Extended…2 weeks ago
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Committed [1726426] to Plugins Trac:
Tagging 1.1.02 weeks ago
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Committed [1726425] to Plugins Trac:
Tagging 1.1.02 weeks ago
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Wrote a comment on the post Removing SWFUpload, on the site Make WordPress Core:
Out of interest, what's the reason NGG uses its own version of Plupload?2 weeks ago
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Wrote a new post, Update Apache on lists.wordpress.org, on the site Make WordPress Systems:
A report came in via HackerOne informing us that lists.wordpress.org is running a version of…3 weeks ago
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Wrote a new post, CAA for wordpress.org, on the site Make WordPress Systems:
A report came in via HackerOne recommending that Certificate Authority Authorization be implemented for wordpress.org (and…3 weeks ago
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Posted a reply to Fatal Error, on the site WordPress.org Forums:
This error simply means that the data that QM is collecting is causing your site…3 weeks ago
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Posted a reply to Attachment Details Modal window obscures Admin Bar, on the site WordPress.org Forums:
Any hooks that fire in the modal will have already fired at the point the…3 weeks ago
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Committed [1721864] to Plugins Trac:
Readme tweaks4 weeks ago
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Committed [1721353] to Plugins Trac:
Bump the tested up to. Remove installation instructions.4 weeks ago
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Committed [1721334] to Plugins Trac:
Tag 0.9.04 weeks ago
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Committed [1721332] to Plugins Trac:
Version 0.9.04 weeks ago
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Posted a reply to Incompatible with Network multisites, on the site WordPress.org Forums:
This is most likely a result of a plugin or theme on your site. QM…4 weeks ago
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Posted a reply to Visitor Traffic Needed?, on the site WordPress.org Forums:
Please see https://wordpress.org/support/topic/please-read-before-posting-a-support-thread/4 weeks ago
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Posted a reply to 404 after switching on WP mu, on the site WordPress.org Forums:
User Switching should work without any problem on Multisite. Do you have any plugins active…4 weeks ago
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Posted a reply to more than 90’000 records, on the site WordPress.org Forums:
Please see https://wordpress.org/support/topic/please-read-before-posting-a-support-thread/1 month ago
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Posted a reply to Attributing responsibility for slow SQL queries to the wrong plugin, on the site WordPress.org Forums:
Thanks for the report. Can you give me some complete steps to reproduce please?1 month ago
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Posted a reply to Deprecated Functions, on the site WordPress.org Forums:
Sorry, Query Monitor doesn't actually have this feature. You should try the Log Deprecated Notices…1 month ago
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Posted a reply to problem spawning issue, on the site WordPress.org Forums:
Please see https://wordpress.org/support/topic/please-read-before-posting-a-support-thread/1 month ago
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John Blackbourn's profile was updated
1 month ago
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Posted a reply to PHP Warning: date() expects parameter 2 to be long, on the site WordPress.org Forums:
You may have some corrupt data in your cron array. See this thread: https://wordpress.org/support/topic/date-expects-parameter-2-to-be-long-string-given/1 month ago
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Disable WordPress Core Updates
Active Installs: 10,000+
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Disable WordPress Plugin Updates
Active Installs: 7,000+
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Disable WordPress Theme Updates
Active Installs: 6,000+
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Facetious
Active Installs: 700+
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Feed Thumbnails
Active Installs: 200+
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Global Post Password
Active Installs: 1,000+
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HM Content TOC
Active Installs: 60+
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Instapaper Read Later Links
Active Installs: 40+
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Log Out Password Protected Posts
Active Installs: 1,000+
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Old LouderVoice
Active Installs: Less than 10
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Plugin Info
Active Installs: 60+
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Pocket Read It Later Links
Active Installs: 50+
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Query Monitor
Active Installs: 30,000+
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Remove Link to Current Page
Active Installs: 100+
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Sched Embed
Active Installs: 800+
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Two-Factor
Active Installs: 1,000+
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Update Active Plugins Only
Active Installs: 10+
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User Switching
Active Installs: 80,000+
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WP Crontrol
Active Installs: 60,000+
Plugins
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Co-Authors Plus
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Google Authenticator
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HiDPI Gravatars
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HTTPS Mixed Content Detector
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Keyring
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Members
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Multiple Post Thumbnails
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Posts 2 Posts
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Query Monitor
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Regenerate Thumbnails
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Rewrite Rule Testing
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Rewrite Rules Inspector
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RTL Tester
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Simple Page Ordering
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Snack Bar
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Transients Manager
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User Switching
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WP Crontrol
