Matthias Pfefferle
@pfefferle on WordPress.org and Slack
Bio
Interests
WordPress Origin Story
- Member Since: December 1st, 2006
- Location: Karlsruhe, Germany
- Website: notiz.blog
- GitHub: pfefferle
- Job Title: Open Web Lead
- Employer: Automattic
Contribution History
Matthias Pfefferle’s badges:- Core Contributor
- Hosting Contributor
- Hosting Team
- Meetup Organizer
- Meta Contributor
- Photo Contributor
- Plugin Developer
- Theme Developer
- Translation Contributor
- Translation Editor
- WordCamp Organizer
- WordCamp Speaker
- WP-CLI Contributor
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Posted a reply to Like and Reposts not displayed because of Indieblocks and Webmention settings, on the site WordPress.org Forums:
I am not completely sure how the IndieBlocks plugin works, maybe @janboddez can help here? -
Posted a reply to Account tag pinging issue?, on the site WordPress.org Forums:
@obenland no, not even the base class does parse the template. @aevisia you have to… -
Mentioned in [60304] on Core SVN:
Comments: Remove `novalidate` attribute from comments form by default. -
Committed [3309819] to Plugins SVN:
Update to version 6.0.2 from GitHub -
Committed [3308557] to Plugins SVN:
Update to version 6.0.1 from GitHub -
Posted a reply to Problems to see followers, on the site WordPress.org Forums:
Hey @heinzwittenbrink 👋 this is an issue with a broken migration https://github.com/Automattic/wordpress-activitypub/issues/1776 don't worry, this… -
Posted a reply to Images no longer attached to Fediverse view of post, on the site WordPress.org Forums:
phew... there is no short answer to that I think 🙄 I suppose that makes… -
Committed [3307534] to Plugins SVN:
Update to version 6.0.0 from GitHub -
Posted a reply to Activity Pub guide, on the site WordPress.org Forums:
We worked on a Checklist that you should find on the Welcome page (or better… -
Posted a reply to Template Help: Shortcode (or PHP code) to show the reactions, on the site WordPress.org Forums:
We currently only support to add "Reactions" via the Block-Editor, but you can add Block-Areas… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
Can you check what you have chosen as default number for "Media attachments" in your… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
Do you use a shortcode to publish the images? -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
Yes, and perfect too... but that means this is not the issue and I have… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
Can you run this wp eval "var_dump( wp_get_upload_dir()['baseurl'] )" and share the result? -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
No, it is not listed in the post list. But never mind, if it returns… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
It should be the ID of the Attachment post (everything in WordPress is a post… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
oh no, that is no CLI command, sorry for not mentioning that. you would have… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
Can you try to run attachment_url_to_postid( 'https://tlmb.net/blog/wp-content/uploads/2025/04/BigElbowsUniversityChallenge.jpg' ); somewhere on your server and check if… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
I will check why the HTML parser doesn't find the image! Do you run the… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
The code no longer searches for Attachments, as they’ve proven too fragile and unreliable. When… -
Posted a reply to Media attachment is not the expected one, on the site WordPress.org Forums:
How is the image included? Do you use a plugin to add these? Do you… -
Posted a reply to Blog becomes slow as a crawl, on the site WordPress.org Forums:
Do you have any idea which plugin it could have been?? -
Posted a reply to Undesired posts appear in the timeline, on the site WordPress.org Forums:
ok, then it is WordPress.com and „someone“ enabled it in the marketing section. -
Posted a reply to Undesired posts appear in the timeline, on the site WordPress.org Forums:
Hey @danielhhz 👋 WordPress has no „built in“ functionality! You either has to activate it… -
Posted a reply to WebFinger endpoint is not accessible & PHP warning, on the site WordPress.org Forums:
The check is the one issue, but it should never have a PHP warning 😳… -
Posted a reply to Buddypress and ActivityPub, on the site WordPress.org Forums:
Hey @earl_d 👋 it depends on how you define "run" :) It runs on a… -
Posted a reply to Great out-of-the-box integration, on the site WordPress.org Forums:
Thanks a lot @johnfisherman I am glad you like it ☺️ -
Posted a reply to Is it possible to share the content you publish in feed through the friends plg?, on the site WordPress.org Forums:
Hey @sabie1593 👋 Isn't this a question that needs to be discussed in the Friends… -
Posted a reply to no reactions, on the site WordPress.org Forums:
@krisueu any kind of spam protection? security plugins? it seems to be a random problem,… -
Posted a reply to no reactions, on the site WordPress.org Forums:
It seems that reactions work: https://krisu.eu/klassenerhalt-st-pauli-bleibt-erstklassig/ So it might be that these mentioned ones are… -
Posted a reply to no reactions, on the site WordPress.org Forums:
it goes alone and the reactions. Comments work perfectly. Maybe I have to be a… -
Posted a reply to no reactions, on the site WordPress.org Forums:
After the latest version 5.9.2, the heading Fediverse reactions is no longer visible. You should… -
Committed [3296479] to Plugins SVN:
Update to version 5.9.2 from GitHub -
Posted a reply to no reactions, on the site WordPress.org Forums:
Is it only about reactions or do you have the same issue with replies (comments)?… -
Posted a reply to no reactions, on the site WordPress.org Forums:
Is it about receiving or displaying? Can you see reactions in WP-Admin but not in… -
Posted a reply to no reactions, on the site WordPress.org Forums:
Hey @krisueu 👋 have you enabled them in the settings? -
Posted a reply to Post nur Bild, Text fehlt, on the site WordPress.org Forums:
@new_joerg gerne :) Dies hier ist doch das Support Forum oder was meinst du? Ich… -
Posted a reply to Post nur Bild, Text fehlt, on the site WordPress.org Forums:
Du kannst den "Fehler" im Support Forum des Plugins reporten. Das Plugin sollte keine Captchas… -
Posted a reply to Post nur Bild, Text fehlt, on the site WordPress.org Forums:
Hey @new_joerg Schichtwechsel :) Ich hab mir gerade mal deine Seite angeschaut und du benutzt… -
Committed [3294264] to Plugins SVN:
Update to version 5.9.1 from GitHub -
Committed [3293297] to Plugins SVN:
Update to version 5.9.0 from GitHub -
Posted a reply to Avoiding caching ActivityPub content, on the site WordPress.org Forums:
Is there a way to reuse LiteSpeed functions to add the rewrite rules? Maybe a… -
Committed [3290686] to Plugins SVN:
Update to version 5.4.1 from GitHub -
Posted a reply to Blocked activity, on the site WordPress.org Forums:
Such requests are still coming in though, each user about once every 5mins, so although… -
Posted a reply to Blocked activity, on the site WordPress.org Forums:
I am not sure why the remote server is retrying so much, 202 should be… -
Posted a reply to Blocked activity, on the site WordPress.org Forums:
Ah, I am sorry we removed that debug info in the latest version! That means… -
Posted a reply to Blocked activity, on the site WordPress.org Forums:
Hey @plord12 this message is not sent by the ActivityPub plugin, I search the whole… -
Posted a reply to Avoiding caching ActivityPub content, on the site WordPress.org Forums:
I will also work on an integration for the LiteSpeed Cache Plugin, like we currently… -
Posted a reply to Avoiding caching ActivityPub content, on the site WordPress.org Forums:
Thanks for the feedback @msaari ! With the next version, we provide an option to… -
Committed [3290150] to Plugins SVN:
Updating readme/assets from GitHub
Developer
-
ActivityPub
Active Installs: 6,000+
-
ActivityStream extension
Active Installs: 70+
-
host-meta
Active Installs: 80+
-
Hum
Active Installs: 700+
-
IndieAuth
Active Installs: 400+
-
IndieWeb
Active Installs: 600+
-
IndieWeb Press This
Active Installs: 20+
-
MF2 Feeds
Active Installs: 30+
-
Microformats 2
Active Installs: 200+
-
NodeInfo(2)
Active Installs: 1,000+
-
Open Graph
Active Installs: 10,000+
-
Open Search
Active Installs: 300+
-
Share on Bluesky
Active Installs: 200+
-
SubToMe
Active Installs: 20+
-
WebFinger
Active Installs: 1,000+
-
Webmention
Active Installs: 900+
-
WebSub (FKA. PubSubHubbub)
Active Installs: 100,000+
Contributor
-
/well-known-uris/
Active Installs: 90+
-
Antispam Bee
Active Installs: 700,000+
-
Create Stellar Toml
Active Installs: 10+
-
Enable Mastodon Apps
Active Installs: 500+
-
Event Bridge for ActivityPub
Active Installs: 60+
-
ID4me
Active Installs: 10+
-
sub.club
Active Installs: Less than 10
-
WapuuGotchi
Active Installs: Less than 10
Total photo contributions: 2
View all photos contributed by Matthias Pfefferle to the WordPress Photo Directory →
Completed Courses
Total completed courses: 3
- WordPress meetup organizer training October 25, 2024
- Community meeting etiquette October 25, 2024
- Open source basics and WordPress October 25, 2024
Plugins
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ActivityPub
-
ActivityStream extension
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Antispam Bee
-
Avatar Privacy
-
Blocks Everywhere
-
BuddyPress
-
Cachify
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Comment Meta Display
-
Custom Post Avatar
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Customize Posts
-
Debug Bar Slow Actions
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Embed Privacy
-
Event Bridge for ActivityPub
-
Friends
-
host-meta
-
Hum
-
Icon Fonts
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IndieAuth
-
IndieBlocks
-
IndieWeb
-
IndieWeb Press This
-
Keyring
-
Markdown on Save
-
MF2 Feeds
-
Microformats 2
-
Micropub
-
NodeInfo(2)
-
Open Graph
-
Open Search
-
Performance Lab
-
Post Kinds
-
Press This
-
PWA
-
Reactions
-
Retro Winamp Block
-
RSSJS
-
Share on Bluesky
-
Share on Mastodon
-
Simple Location
-
Statify
-
SubToMe
-
Syndication Links
-
Syntax-highlighting Code Block (with Server-side Rendering)
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TabbedCode
-
Turbo Admin
-
Two-Factor
-
Unlock Protocol
-
WapuuGotchi
-
Wapuuvatar
-
WebFinger
-
Webmention
-
WebSub (FKA. PubSubHubbub)
-
WP Super Cache
Deutsch (German) Plugins Translation Editor - #de_DE
-
ActivityPub
Active Installs: 6,000+
-
ID4me
Active Installs: 10+
-
IndieWeb
Active Installs: 600+
-
WebSub (FKA. PubSubHubbub)
Active Installs: 100,000+
-
Webmention
Active Installs: 900+