Matthias Pfefferle – @pfefferle

Member Since: December 1st, 2006
Location: Karlsruhe, Germany
Website: notiz.blog
Job Title: Head of Product Development WordPress
Employer: IONOS
Find me on:

Bio

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

Interests

IndieWeb, Fediverse, ActivityPub, OpenWeb, 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.

[Full story](https://notiz.blog/2018/06/19/15-jahre-wordpress/) (german)

Contributions Sponsored

Matthias Pfefferle contributes 4 hours per week to the following teams: Core, Hosting, Polyglots.

Contribution History

Core Contributor
Hosting Contributor
Hosting Team
Meta Contributor
Plugin Developer
Theme Developer
Translation Contributor
Translation Editor
WordCamp Speaker

Activity
Plugins
Themes
Favorites
Translations

Posted a reply to Podcast 2.0 pinging, on the site WordPress.org Forums:
Hey @fakeologist I am not sure what podcast 2.0 is. Can you please post a…

3 weeks ago
Wrote a comment on the post New Hosting Team Reps!, on the site Make WordPress Hosting:
Congrats to @javiercasares and @crixu and thanks to @amykamala and @jadonn !

3 weeks ago
Posted a reply to Critical error, on the site WordPress.org Forums:
Have you updated your PHP version also?

4 weeks ago
Posted a reply to Avatars overlay comment author in Twenty Twenty-One, on the site WordPress.org Forums:
Sorry, haven't seen this! Is this still an issue, because it seems ok on your…

4 weeks ago
Committed [2491622] to Plugins Trac:
Updating readme/assets from GitHub

1 month ago
Posted a reply to Can’t connect from mstdn.social or my mastodon site, on the site WordPress.org Forums:
Sorry for the late reply. WebFinger is the technology to translate email like identifiers (username@host.tld)…

2 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
@tiotrom I am not aware that it is a general problem. Is it really completely…

2 months ago
Posted a reply to Minor bug, on the site WordPress.org Forums:
Yes, sorry about that. That was a change on the WordPress side and we had…

2 months ago
Posted a reply to Can’t connect from mstdn.social or my mastodon site, on the site WordPress.org Forums:
Do you forward the .well-known/webfinger request? It seems, that the resource paramater will not be…

2 months ago
Posted a reply to Error: “Cannot find target link”, on the site WordPress.org Forums:
@dsunger hmmm... can you try to add an issue on there support forum, so that…

2 months ago
Created a topic, Please use the ActivityPub plugin instead of OStatus!, on the site WordPress.org Forums:
OStatus is the predecessor of and mostly replaced by t…

3 months ago
Posted a reply to Error getting JRD: Get https://anikutani.ddns.net/.well-known/webfinger?, on the site WordPress.org Forums:
@tsesi the missing SSL certificate might cause most of the issues, since HTTPS is required…

3 months ago
Posted a reply to Causing 404 on category & tag pages, on the site WordPress.org Forums:
@brianbrown your problem should be fixed with v1.2.7

3 months ago
Posted a reply to Causing 404 on category & tag pages, on the site WordPress.org Forums:
I see! I proposed a fix: https://github.com/willnorris/wordpress-hum/pull/29 If @willnorris is fine with it, I will…

3 months ago
Posted a reply to Causing 404 on category & tag pages, on the site WordPress.org Forums:
Hey Brian, where have you seen/recognized the issue? There is no category/tag support yet, so…

3 months ago
Posted a reply to Only One User, on the site WordPress.org Forums:
It seems to be an ActivityPub problem instead: https://github.com/pfefferle/wordpress-ostatus/issues/13

3 months ago
Posted a reply to Only One User, on the site WordPress.org Forums:
OStatus provides a federated user for all authors in a WordPress blog. It is exactly…

3 months ago
Wrote a comment on the post Hosting Team Rep Election, on the site Make WordPress Hosting:
+1

3 months ago
Committed [2456807] to Plugins Trac:
Update to version 1.0.6 from GitHub

3 months ago
Posted a reply to Qs after latest, on the site WordPress.org Forums:
Yes, it seems that your blog does not return the JSON it should be: curl…

3 months ago
Posted a reply to Secure Mode Compatibility, on the site WordPress.org Forums:
Good question! Never heard about the "secure mode" before. Can you name me one instance…

3 months ago
Wrote a comment on the post Hosting Team Rep Election, on the site Make WordPress Hosting:
I would like to nominate @crixu and/or @javiercasares because of their constant commitment to the…

3 months ago
Posted a reply to how to check if it actually does anything?, on the site WordPress.org Forums:
Short answer: You do not need any other plugin, AP has all basic functionality built…

3 months ago
Posted a reply to how to check if it actually does anything?, on the site WordPress.org Forums:
@elexem if you want to have a look at: https://fediverse.party/ the listed plattforms on the…

3 months ago
Posted a reply to how to check if it actually does anything?, on the site WordPress.org Forums:
Hallo Herr @elexem :) One thing first: The OStatus plugin is a fairly old one…

3 months ago
Posted a reply to Qs after latest, on the site WordPress.org Forums:
I have no exact idea why you lost your followers, but it might be because…

4 months ago
Created a topic, Discuss this new ideas or get help from the community, on the site WordPress.org Forums:
If you want to discuss new features, if you need some …

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
@regenpfeifer I am not an friendica expert, so I am not sure why it is…

4 months ago
Posted a reply to Can’t reply?, on the site WordPress.org Forums:
@tiotrom comments from WordPress are not federated yet, but that is definitely planned!

4 months ago
Posted a reply to Can’t reply?, on the site WordPress.org Forums:
@tiotrom I do not know exactly why, but my comments often lands in the trash.…

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
@tiotrom WebFinger needs to be at the root of the domain and if you have…

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
@tiotrom the problem with your site is, that it redirects to www.tiotrom.com so your identifier…

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
@regenpfeifer I am not sure if it is a cloudflare problem, but your site seems…

4 months ago
Committed [2443893] to Plugins Trac:
Update to version 3.10.4 from GitHub

4 months ago
Committed [2443889] to Plugins Trac:
Take snapshot of 0.12.0

4 months ago
Committed [2443888] to Plugins Trac:
commit version 0.12.0

4 months ago
Committed [2443885] to Plugins Trac:
Update to version 3.10.3 from GitHub

4 months ago
Posted a reply to Qs after latest, on the site WordPress.org Forums:
Regarding 1: This is weird, I will try to investigate here. But I am not…

4 months ago
Posted a reply to Mastodon: Approve follow request, on the site WordPress.org Forums:
Mastodon changed his API so it might have caused the issue, but thanks to @mediaformat…

4 months ago
Posted a reply to Mastodon: Approve follow request, on the site WordPress.org Forums:
Can you re-try it with version 0.11.2?

4 months ago
Committed [2441879] to Plugins Trac:
Take snapshot of 0.11.2

4 months ago
Committed [2441878] to Plugins Trac:
commit version 0.11.2

4 months ago
Committed [2441858] to Plugins Trac:
Take snapshot of 0.11.1

4 months ago
Committed [2441857] to Plugins Trac:
commit version 0.11.1

4 months ago
Posted a reply to Minor bug, on the site WordPress.org Forums:
thanks ☺️

5 months ago
Posted a reply to Minor bug, on the site WordPress.org Forums:
Should be fixed in 1.2.6 https://github.com/willnorris/wordpress-hum/releases/tag/1.2.6

5 months ago
Posted a reply to Minor bug, on the site WordPress.org Forums:
Oh thanks, this seems to be a problem that comes with PHP 7.4. Will release…

5 months ago
Posted a reply to Click, on the site WordPress.org Forums:
Hey @christofer92 there is currently no tracking system build in.

6 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
Oh, nice that it was so "easy" in the end :)

6 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
There it works: curl "https://friends.regenpfeifer.net/profile/regenpfeifer/profile" \ -H 'Accept: application/activity+json' Any differences in the config? can…

6 months ago