Profiles

Bio

A fullstack developer, blogger, podcaster, OpenWeb advocate, citizen of the IndieWeb, working on ActivityPub and IndieWeb for WordPress!

Interests

IndieWeb, Fediverse, ActivityPub, Open Web, Microformats, Webstandards, biking, Home Automation, IoT

WordPress Origin Story

– In 2002 I installed my first blog using the WordPress predecessor b2.
– 2004 I switched to WordPress.
– I worked on my first theme in 2006 and my first plugin in 2007.
– I uploaded a first theme (SemPress) to WordPress.org in 2011.
– Two years later, SemPress was added to the WordPress.com theme directory by Automattic.
– 2015 was my first “Core Contribution” (OEmbed).
– I held my first WordCamp talk in 2016.
– I held my first WordPress Meetup talk in 2019.
– Started working on ActivityPub for WordPress in 2019
– 2023 I joined Automattic to work full time on the OpenWeb/Fediverse

https://notiz.blog/2018/06/19/15-jahre-wordpress/
https://notiz.blog/2023/06/02/20-jahre/

Badges

CODE
7 badges
Core Contributor '15 Hosting Contributor '20 Hosting Team '20 Meta Contributor '20 Plugin Developer Theme Developer WP-CLI Contributor '24
CONTENT
1 badge
Photo Contributor '22
COMMUNITY
3 badges
Meetup Organizer '24 WordCamp Organizer '24 WordCamp Speaker '16
POLYGLOTS
2 badges
Translation Contributor '15 Translation Editor '15

Current Job

Open Web Lead
Apr 2023 – Present
Automattic
I work on open, portable, interoperable, small, social, synaptic, semantic, structured, distributed, (re-)decentralized, independent, microformatted and federated social web stuff.

Recent impact

Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.

Last 30 days
18contributions
high0
medium18
score18
Last 90 days
93contributions
high0
medium93
score93
Last 12 months
312contributions
high6
medium306
score324

WordPress releases

Contributed to 5 releases
  • 6.9
  • 6.8
  • 5.6
  • 5.5
  • 4.4

Contributions

Type
June 2026
Jun 05 Fri · 21:39
Forums med
Posted a reply to Follow activity reverts from ‘Unfollow’ to ‘Confirm Request’, on the site WordPress.org Forums:
Thanks for the logs, the issue should be fixed with: https://github.com/Automattic/wordpress-activitypub/pull/3372
Jun 05 Fri · 08:16
Forums med
Posted a reply to Follow activity reverts from ‘Unfollow’ to ‘Confirm Request’, on the site WordPress.org Forums:
@whatwhere can activate that snippet for your blog, start a follow process and share the…
Jun 04 Thu · 06:55
Forums med
Posted a reply to Push single post, on the site WordPress.org Forums:
(I will also check why your blog lost connection... This should not happen at a…
Jun 04 Thu · 06:54
Forums med
Posted a reply to Push single post, on the site WordPress.org Forums:
Hey @seindal 👋 Good point! Would you expect something in the wp-admin UI or is…
Jun 02 Tue · 10:07
Forums med
Posted a reply to Blocked user’s deleted posts cause reply loop in moderation queue, on the site WordPress.org Forums:
We released the fix with version 1.1.1. Let us know if you still experience any…
Jun 02 Tue · 10:06
Forums med
Posted a reply to Reconnection required after not even 24 hours, on the site WordPress.org Forums:
Version 1.1.1 should fix the issue. Let us know if you still experience and problems!
May 2026
May 31 Sun · 18:48
Forums med
Posted a reply to Follow activity reverts from ‘Unfollow’ to ‘Confirm Request’, on the site WordPress.org Forums:
@whatwhere I checked your profile and it seem to have 3 followers, so the follow…
May 31 Sun · 18:42
Forums med
Posted a reply to Activitypub: Author URL “(…)?author=1” not accessible, on the site WordPress.org Forums:
Hey @jeroenleenders 👋 where do you host your site if I may ask? The author…
May 31 Sun · 13:23
Forums med
Posted a reply to Reconnection required after not even 24 hours, on the site WordPress.org Forums:
hey @vsg79 👋 Reconnecting every few hours can’t seem to be intended. It defies the…
May 28 Thu · 18:52
Forums med
Posted a reply to Unable to connect account, on the site WordPress.org Forums:
Hey @vsg79 👋 I just checked with my eurosky account and it worked out of…

Developer

Contributor

Completed Courses

Total completed courses: 3

Deutsch (German) Plugins Translation Editor - #de_DE

Deutsch (German) Translation Contributor - #de_DE

ActivityPub, ID4me, WebSub (FKA. PubSubHubbub), Semantic-Linkbacks, Auto Updater, Webmention, SemPress, and WordPress 7.0.x - Development

Deutsch (Sie) (German (Formal)) Translation Contributor - #de_DE_formal

BuddyPress and WebSub (FKA. PubSubHubbub)

English (New Zealand) Translation Contributor - #en_NZ

Auto Updater