diff --git a/CHANGELOG.md b/CHANGELOG.md
index e83957daa..359f68572 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ The following sections list the changes for unreleased.
 ## Summary
 
 * Change - Remove OnlyOffice extension: [#2433](https://github.com/owncloud/ocis/pull/2433)
+* Enhancement - Add app provider and app provider registry: [#2204](https://github.com/owncloud/ocis/pull/2204)
 * Enhancement - Add the create space permission: [#2461](https://github.com/owncloud/ocis/pull/2461)
 * Enhancement - Add set space quota permission: [#2459](https://github.com/owncloud/ocis/pull/2459)
 * Enhancement - Update go-chi/chi to version 5.0.3: [#2429](https://github.com/owncloud/ocis/pull/2429)
@@ -25,6 +26,14 @@ The following sections list the changes for unreleased.
 
    https://github.com/owncloud/ocis/pull/2433
 
+* Enhancement - Add app provider and app provider registry: [#2204](https://github.com/owncloud/ocis/pull/2204)
+
+   We added the app provider and app provider registry. Now the CS3org WOPI server can be
+   registered and OpenInApp requests can be done.
+
+   https://github.com/owncloud/ocis/pull/2204
+   https://github.com/cs3org/reva/pull/1785
+
 * Enhancement - Add the create space permission: [#2461](https://github.com/owncloud/ocis/pull/2461)
 
    In preparation for the upcoming spaces features a `Create Space` permission was added.