John Blackbourn
Human Made Ltd
@johnbillion Norwich, UK; and Torino, Italy joined Dec 2005
Maintains
Build/Test Tools
Cron API
Security
Teams
Core
Bio
Badges
CODE
6 badges
Core Contributor
'15
Core Team
'15
Plugin Developer
Security Contributor
'22
Security Team
'22
CONTENT
1 badge
Documentation Contributor
'17
COMMUNITY
5 badges
bbPress Contributor
'19
B
BuddyPress Contributor
'19
Meetup Organizer
'18
WordCamp Organizer
'20
WordCamp Speaker
'19
PRACTICE
2 badges
Accessibility Contributor
'19
Support Contributor
'26
POLYGLOTS
1 badge
Translation Contributor
'15
Current Job
Present
Human Made Ltd
Recent impact
Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.
Last 30 days
224contributions
high147
medium77
score518
Last 90 days
299contributions
high191
medium108
score681
Last 12 months
925contributions
high571
medium354
score2067
Team focus
Share of contributions across teams during the last 365 days
WordPress releases
Contributed to 39 releases
- 7.0
- 6.9
- 6.8
- 6.7
- 6.6
- 6.5
- 6.4
- 6.3
- 6.2
- 6.1
- 6.0
- 5.9
- 5.8
- 5.7
- 5.6
- 5.5
- 5.4
- 5.3
- 5.2
- 5.1
- 5.0
- 4.9
- 4.8
- 4.7
- 4.6
- 4.5
- 4.4
- 4.3
- 4.2
- 4.1
- 4.0
- 3.9
- 3.8
- 3.7
- 3.6
- 3.5
- 3.4
- 3.3
- 3.2
Time commitment
16 hours per week of sponsored contribution time
Contributions
Type
August 2026
Aug 11
Tue · 22:54
Core
med
Submitted pull request #12977 to WordPress/wordpress-develop:
#46744 Prevent the default role from being set to a privileged role…
#46744 Prevent the default role from being set to a privileged role…
Aug 11
Tue · 22:35
Core
med
Aug 11
Tue · 22:31
Core
med
Submitted pull request #12975 to WordPress/wordpress-develop:
#65817 Narrow the accepted and returned types for `esc_sql()`
#65817 Narrow the accepted and returned types for `esc_sql()`
Aug 11
Tue · 22:04
Core
med
Closed pull request #12973 on WordPress/wordpress-develop:
add src/wp-includes/assets/script-loader-packages.min.php
add src/wp-includes/assets/script-loader-packages.min.php
Aug 11
Tue · 22:03
Core
med
Aug 11
Tue · 22:03
Core
high
Committed [63187] to WordPress SVN:
Editor: Update the asset hashes for files that were changed in 6.0.13.
Editor: Update the asset hashes for files that were changed in 6.0.13.
Aug 11
Tue · 20:18
Core
med
Closed pull request #12541 on WordPress/wordpress-develop:
#57271 Return true when the existing stored cron array value already matches…
#57271 Return true when the existing stored cron array value already matches…
Aug 11
Tue · 14:40
Core
med
Closed ticket #65736 on Core Trac:
Trim the PHPUnit test matrix to boundary PHP versions, with full ...
Trim the PHPUnit test matrix to boundary PHP versions, with full ...
Aug 11
Tue · 06:17
Core
high
Mentioned in [63176] on WordPress SVN:
Login and Registration: Clarify the "Remember Me" toggletip text.
Login and Registration: Clarify the "Remember Me" toggletip text.
Aug 11
Tue · 06:13
Core
high
Mentioned in [63175] on WordPress SVN:
Login and Registration: Clarify the "Remember Me" toggletip text.
Login and Registration: Clarify the "Remember Me" toggletip text.
No contributions in this category yet.
Developer
3 plugins-
Query Monitor
200,000+ active installs -
User Switching
200,000+ active installs -
WP Crontrol
300,000+ active installs
Contributor
6 plugins-
Airplane Mode
60+ active installs -
C3 Cloudfront Cache Controller
3,000+ active installs -
HM Content TOC
10+ active installs -
Login as User
30,000+ active installs -
Sched Event Management Software
200+ active installs -
Two Factor
100,000+ active installs
Plugins
16 favoritesThemes
2 favoritesTranslations
7 locales
it_IT
Italiano (Italian)
Translation Contributor
Contributed translations to 2 projects.
nl_NL
Nederlands (Dutch)
Translation Contributor
Contributed translations to 2 projects.
bg_BG
Български (Bulgarian)
Translation Contributor
el
Ελληνικά (Greek)
Translation Contributor
fi
Suomi (Finnish)
Translation Contributor
fr_FR
Français (French)
Translation Contributor
lt_LT
Lietuvių kalba (Lithuanian)
Translation Contributor