Andrew Nacin
Lead Developer at WordPress
@nacin Washington, D.C. joined Nov 2009
Bio
Badges
CODE
6 badges
Core Contributor
'15
Core Team
'14
Plugin Developer
Themes Team
'18
COMMUNITY
4 badges
bbPress Contributor
'19
B
BuddyPress Contributor
'19
WordCamp Organizer
'17
WordCamp Speaker
'17
POLYGLOTS
1 badge
Translation Contributor
'15
Current Job
Lead Developer
Present
WordPress
Recent impact
Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.
Last 30 days
2contributions
high2
medium0
score6
Last 90 days
3contributions
high3
medium0
score9
Last 12 months
9contributions
high9
medium0
score27
WordPress releases
Contributed to 35 releases
- 7.0
- 6.9
- 6.8
- 6.6
- 6.5
- 6.4
- 6.3
- 6.2
- 6.1
- 6.0
- 5.9
- 5.7
- 5.6
- 5.5
- 5.4
- 5.3
- 5.2
- 5.1
- 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
Contributions
Type
October 2026
Oct 19
Mon · 23:40
Core
high
Oct 15
Thu · 03:20
Core
high
Mentioned in [64351] on WordPress SVN:
Administration: Display 404 error for unregistered admin pages.
Administration: Display 404 error for unregistered admin pages.
August 2026
Aug 21
Fri · 13:25
Core
high
February 2026
Feb 27
Fri · 19:57
Core
high
Mentioned in [61760] on WordPress SVN:
Cache API: Introduce fallback for when the `wp_cache_switch_to_blog()` function is missing.
Cache API: Introduce fallback for when the `wp_cache_switch_to_blog()` function is missing.
January 2026
Jan 07
Wed · 05:50
high
Wrote a new handbook page, Reporting Security Vulnerabilities, on the site Make WordPress Core:
While we try to be proactive in preventing security problems, we do not assume they'll…
While we try to be proactive in preventing security problems, we do not assume they'll…
November 2025
Nov 11
Tue · 02:34
Core
high
Nov 06
Thu · 23:35
Core
high
Mentioned in [61172] on WordPress SVN:
Date/Time: Prevent a PHP exception when inserting posts with a partially malformed `post_date`.
Date/Time: Prevent a PHP exception when inserting posts with a partially malformed `post_date`.
October 2025
Oct 30
Thu · 18:35
Core
high
Oct 30
Thu · 18:34
Core
high
August 2025
Aug 23
Sat · 14:06
Core
high
Mentioned in [60657] on WordPress SVN:
Security: Set the `frame-ancestors` directive in `send_frame_options_header()`.
Security: Set the `frame-ancestors` directive in `send_frame_options_header()`.
No contributions in this category yet.
Developer
9 plugins-
Comment Probation
40+ active installs -
Debug Bar
20,000+ active installs -
Filtered HTML for Editors
10+ active installs -
Hide Welcome Panel for Multisite
10+ active installs -
Hotfix
4,000+ active installs -
Link Manager
20,000+ active installs -
Log Deprecated Notices
900+ active installs -
Memcached Object Cache
10+ active installs -
Simple Footnotes
600+ active installs
Contributor
4 plugins-
GlotPress
500+ active installs -
Quick admin color scheme picker
10+ active installs -
RICG Responsive Images
2,000+ active installs -
The Future Is Now
1,000+ active installs
Translations
3 locales
fi
Suomi (Finnish)
Translation Contributor
Contributed translations to 2 projects.
en_CA
English (Canada) (English)
Translation Contributor
Contributed translations to 1 project.
he_IL
עִבְרִית (Hebrew)
Translation Contributor
Contributed translations to 1 project.
