Title: ActivityStream extension
Author: Matthias Pfefferle
Published: <strong>April 6, 2009</strong>
Last modified: April 5, 2024

---

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![](https://ps.w.org/activitystream-extension/assets/banner-772x250.png?rev=2892910)

This plugin **hasn’t been tested with the latest 3 major releases of WordPress**.
It may no longer be maintained or supported and may have compatibility issues when
used with more recent versions of WordPress.

![](https://ps.w.org/activitystream-extension/assets/icon-128x128.png?rev=2892910)

# ActivityStream extension

 By [Matthias Pfefferle](https://profiles.wordpress.org/pfefferle/)

[Download](https://downloads.wordpress.org/plugin/activitystream-extension.1.3.8.zip)

 * [Details](https://sq-xk.wordpress.org/plugins/activitystream-extension/#description)
 * [Reviews](https://sq-xk.wordpress.org/plugins/activitystream-extension/#reviews)
 *  [Installation](https://sq-xk.wordpress.org/plugins/activitystream-extension/#installation)
 * [Development](https://sq-xk.wordpress.org/plugins/activitystream-extension/#developers)

 [Support](https://wordpress.org/support/plugin/activitystream-extension/)

## Description

ActivityStreams ([activitystrea.ms](http://www.activitystrea.ms)) support for your
WordPress-blog

ActivityStreams is an open format specification for activity stream protocols, which
are used to syndicate activities taken in social web applications and services, 
similar to those in Facebook’s Newsfeed, FriendFeed, the Movable Type Action Streams
plugin, etc.

## Installation

 * Upload the whole folder to your `wp-content/plugins` folder
 * Activate it at the admin interface

Thats it

## Reviews

![](https://secure.gravatar.com/avatar/22fe4b544457cbd7b52ded161e5fa27b56826c2ac06a9215ca50256842d5e459?
s=60&d=retro&r=g)

### 󠀁[Works perfectly.](https://wordpress.org/support/topic/works-perfectly-784/)󠁿

 [gellenburg](https://profiles.wordpress.org/gellenburg/) September 3, 2016

Using this on one of my clients’ site and it works perfectly to integrate WP with
other federated technologies.

 [ Read all 1 review ](https://wordpress.org/support/plugin/activitystream-extension/reviews/)

## Contributors & Developers

“ActivityStream extension” is open source software. The following people have contributed
to this plugin.

Contributors

 *   [ Matthias Pfefferle ](https://profiles.wordpress.org/pfefferle/)

[Translate “ActivityStream extension” into your language.](https://translate.wordpress.org/projects/wp-plugins/activitystream-extension)

### Interested in development?

[Browse the code](https://plugins.trac.wordpress.org/browser/activitystream-extension/),
check out the [SVN repository](https://plugins.svn.wordpress.org/activitystream-extension/),
or subscribe to the [development log](https://plugins.trac.wordpress.org/log/activitystream-extension/)
by [RSS](https://plugins.trac.wordpress.org/log/activitystream-extension/?limit=100&mode=stop_on_copy&format=rss).

## Changelog

Project maintined on github at
 [pfefferle/wordpress-activitystream-extension](https://github.com/pfefferle/wordpress-activitystream-extension/).

#### 1.3.8

 * CI/CD changes
 * optimized “flash rewrite rules”

#### 1.3.7

 * fix “Non-static method” warning

#### 1.3.6

 * Updated WebSub support

#### 1.3.4

 * version bump

#### 1.3.4

 * version bump

#### 1.3.3

 * update dependencies

#### 1.3.2

 * added missing enclosure mime-type

#### 1.3.1

 * replaced json_encode with wp_json_encode
 * added enclosures to Atom `<activity:object>`

#### 1.3.0

 * Added enclosure support
 * Fixed summary js-summary

#### 1.2.3

 * added WebFinger and host-meta discovery

#### 1.2.2

 * updated requirement
 * fixed licenses

#### 1.2.1

 * removed charset

#### 1.2.0

 * updated to latest spec: [http://www.w3.org/TR/2016/WD-activitystreams-core-20160712/](http://www.w3.org/TR/2016/WD-activitystreams-core-20160712/)
 * fixed comment feed

#### 1.1.0

 * initial AS2 feed (beta)
 * WordPress coding standard

#### 1.0.0

 * changes based on the 7B plugin [https://github.com/pento/7B](https://github.com/pento/7B)
 * json-feed for comments
 * cleanup

#### 0.8

 * some JSON changes to match spec 1.0
 * changed the HTML discovery-links
 * added post_thumbnail support

#### 0.7.1

 * updated to new JSON-Activity changes

#### 0.7

 * deprecated `<activity:subject>`
 * enriched Atom `<author />`

#### 0.6

 * added json feed
 * pubsubhubbub for json

#### 0.5

 * some OStatus compatibility fixes
 * added `<activity:subject>`
 * added `<activity:target>`

#### 0.3

 * Fixed a namespace bug
 * Added autodiscovery link

## Meta

 *  Version **1.3.8**
 *  Last updated **2 years ago**
 *  Active installations **60+**
 *  WordPress version ** 4.2 or higher **
 *  Tested up to **6.5.8**
 *  Language
 * [English (US)](https://wordpress.org/plugins/activitystream-extension/)
 * Tags
 * [Atom](https://sq-xk.wordpress.org/plugins/tags/atom/)[feed](https://sq-xk.wordpress.org/plugins/tags/feed/)
   [JSON-LD](https://sq-xk.wordpress.org/plugins/tags/json-ld/)[rss](https://sq-xk.wordpress.org/plugins/tags/rss/)
 *  [Advanced View](https://sq-xk.wordpress.org/plugins/activitystream-extension/advanced/)

## Ratings

 5 out of 5 stars.

 *  [  1 5-star review     ](https://wordpress.org/support/plugin/activitystream-extension/reviews/?filter=5)
 *  [  0 4-star reviews     ](https://wordpress.org/support/plugin/activitystream-extension/reviews/?filter=4)
 *  [  0 3-star reviews     ](https://wordpress.org/support/plugin/activitystream-extension/reviews/?filter=3)
 *  [  0 2-star reviews     ](https://wordpress.org/support/plugin/activitystream-extension/reviews/?filter=2)
 *  [  0 1-star reviews     ](https://wordpress.org/support/plugin/activitystream-extension/reviews/?filter=1)

[Your review](https://wordpress.org/support/plugin/activitystream-extension/reviews/#new-post)

[See all reviews](https://wordpress.org/support/plugin/activitystream-extension/reviews/)

## Contributors

 *   [ Matthias Pfefferle ](https://profiles.wordpress.org/pfefferle/)

## Support

Got something to say? Need help?

 [View support forum](https://wordpress.org/support/plugin/activitystream-extension/)

## Donate

Would you like to support the advancement of this plugin?

 [ Donate to this plugin ](https://notiz.blog/donate/)