John Blackbourn
@johnbillion on WordPress.org and Slack
Bio
Contributions Sponsored
- Member Since: December 7th, 2005
- Location: Norwich, UK; and Torino, Italy
- Website: johnblackbourn.com
- GitHub: johnbillion
- Employer: Human Made Ltd
Contribution History
John Blackbourn’s badges:- 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
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Closed pull request #9010 on WordPress/wordpress-develop:
#63595 Cease support for 4.1-4.6 -
Pushed 1 commit to WordPress/WordPress:
Security: Cease support for WordPress 4.1 through 4.6. -
Closed pull request #9024 on WordPress/wordpress-develop:
#63170 Upgrade test adjustments -
Committed [60341] to Core SVN:
Security: Cease support for WordPress 4.1 through 4.6. Props desrosj, ... -
Pushed 1 commit to WordPress/WordPress:
Build/Test Tools: Adjust the upgrade testing matrix for the 6.x... -
Committed [60340] to Core SVN:
Build/Test Tools: Adjust the upgrade testing matrix for the 6.x ... -
Submitted pull request #9051 to WordPress/wordpress-develop:
WordPress 4.6.30. -
Submitted pull request #9050 to WordPress/wordpress-develop:
WordPress 4.5.33. -
Submitted pull request #9049 to WordPress/wordpress-develop:
WordPress 4.4.34. -
Submitted pull request #9048 to WordPress/wordpress-develop:
WordPress 4.3.35. -
Submitted pull request #9047 to WordPress/wordpress-develop:
WordPress 4.2.39. -
Submitted pull request #9046 to WordPress/wordpress-develop:
WordPress 4.1.42. -
Merged pull request #168 into WordPress/wpdev-docker-images:
GitHub Actions workflow file security hardening -
Updated a handbook page on Make WordPress Core.
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Closed pull request #9037 on WordPress/wordpress-develop:
Retire 4.6. -
Closed pull request #9036 on WordPress/wordpress-develop:
Retire 4.5. -
Closed pull request #9035 on WordPress/wordpress-develop:
Retire 4.4. -
Closed pull request #9034 on WordPress/wordpress-develop:
Retire 4.3. -
Closed pull request #9033 on WordPress/wordpress-develop:
Retire 4.2. -
Closed pull request #9032 on WordPress/wordpress-develop:
Retire 4.1. -
Committed [60338] to Core SVN:
Security: Replace update nag to indicate end of support for 4.6. ... -
Committed [60337] to Core SVN:
Security: Replace update nag to indicate end of support for 4.5. ... -
Committed [60336] to Core SVN:
Security: Replace update nag to indicate end of support for 4.4. ... -
Committed [60335] to Core SVN:
Security: Replace update nag to indicate end of support for 4.3. ... -
Committed [60334] to Core SVN:
Security: Replace update nag to indicate end of support for 4.2. ... -
Committed [60333] to Core SVN:
Security: Replace update nag to indicate end of support for 4.1. ... -
Submitted pull request #9037 to WordPress/wordpress-develop:
Retire 4.6. -
Submitted pull request #9036 to WordPress/wordpress-develop:
Retire 4.5. -
Submitted pull request #9035 to WordPress/wordpress-develop:
Retire 4.4. -
Submitted pull request #9034 to WordPress/wordpress-develop:
Retire 4.3. -
Submitted pull request #9033 to WordPress/wordpress-develop:
Retire 4.2. -
Submitted pull request #9032 to WordPress/wordpress-develop:
Retire 4.1. -
Mentioned in [60330] on Core SVN:
Docs: Correct parameter and return types for some comment functions. -
Closed ticket #63573 on Core Trac:
wp_signups.activation_key stored in cleartext – inconsistent with ... -
Mentioned in [60329] on Core SVN:
Database: Reinstate test for MariaDB version in readme. -
Submitted pull request #9024 to WordPress/wordpress-develop:
#63170 Upgrade test adjustments -
Created ticket #63601 on Core Trac:
Memory exhaustion during performance tests when base version is set to 6.8 -
Wrote a new post, Dropping security updates for WordPress versions 4.1 through 4.6, on the site WordPress News:
As of July 2025, the WordPress Security Team will no longer provide security updates for… -
Pushed 1 commit to WordPress/WordPress:
Build/Test Tools: Revert [60324] while memory exhaustion issues in the... -
Committed [60326] to Core SVN:
Build/Test Tools: Revert [60324] while memory exhaustion issues in the ... -
Posted a reply to Cron gets deleted, on the site WordPress.org Forums:
Yeah this is a known issue unfortunately, most likely caused by this unresolved issue in… -
Closed ticket #12885 on Core Trac:
LiveJournal importer uses GMT date/time as local date/time -
Posted a reply to Query Monitor deactivates when MyCred AnsPress plugin is active, on the site WordPress.org Forums:
What exactly happens? Does QM actually get deactivated or does it remain active and not… -
Committed [60324] to Core SVN:
Build/Test Tools: Bump the default baseline version used for ... -
Pushed 1 commit to WordPress/WordPress:
Build/Test Tools: Update the currently supported branch that's used to... -
Committed [60323] to Core SVN:
Build/Test Tools: Update the currently supported branch that's used to ... -
Made 5 updates to handbook pages on Make WordPress Core.
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Wrote a comment on the post Security updates will cease for WordPress versions 4.1 through 4.6, on the site Making WordPress Secure:
+make.wordpress.org/core/ -
Wrote a new post, Security updates will cease for WordPress versions 4.1 through 4.6, on the site Making WordPress Secure:
The WordPress Security Team will cease providing updates for WordPress versions 4.1 - 4.6 in…
Developer
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Query Monitor - The developer tools panel for WordPress
Active Installs: 200,000+
-
User Switching
Active Installs: 200,000+
-
WP Crontrol
Active Installs: 300,000+
Contributor
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Airplane Mode
Active Installs: 40+
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C3 Cloudfront Cache Controller
Active Installs: 3,000+
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HM Content TOC
Active Installs: 20+
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Login as User
Active Installs: 30,000+
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Sched Event Management Software
Active Installs: 300+
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Two-Factor
Active Installs: 90,000+
Plugins
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Airplane Mode
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Google Authenticator
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HTTPS Mixed Content Detector
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Keyring
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Members - Membership & User Role Editor Plugin
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Multiple Post Thumbnails
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Posts 2 Posts
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Query Monitor - The developer tools panel for WordPress
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Redis Object Cache
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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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Transients Manager
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User Switching
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WP Crontrol