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

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 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)…

3 days 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…

3 days 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 weeks 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 weeks 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…

3 weeks 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…

1 month 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…

1 month 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

1 month 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…

1 month 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…

1 month 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

2 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…

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

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

2 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…

2 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…

2 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…

2 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…

2 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…

2 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…

2 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…

2 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 …

2 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…

2 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!

2 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.…

2 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…

2 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…

2 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…

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

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

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

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

3 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…

3 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…

3 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?

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

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

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

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

3 months ago
Committed [2441765] to Plugins Trac:
Take snapshot of 0.11.0

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

4 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

4 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…

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

4 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 :)

4 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…

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
Have you installed any security plugins, that might block this request?

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
Can you send me a profile URL of the friendica instance?

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
@regenpfeifer no, I also use HTTP/2 on my server. I will think about it.

4 months ago
Posted a reply to Can#t connect from my friendica site, on the site WordPress.org Forums:
For "POST" it seems to work: curl -X "POST" "https://regenpfeifer.eu/author/regenpfeifer/" \ -H 'Accept: application/activity+json' This…

4 months ago