diff --git a/docs/api-v1.md b/docs/api-v1.md
index 55602387415..151b48d1f5f 100644
--- a/docs/api-v1.md
+++ b/docs/api-v1.md
@@ -48,6 +48,21 @@ Base endpoint is: `/ocs/v2.php/apps/spreed/api/v1`
 * `5` user following a public link
 
 
+## Capabilities
+
+### 3.0 (Initial Talk release)
+* `audio` - audio is supported
+* `video` - video + screensharing is supported
+* `chat` - simple text chat is supported
+
+### 3.1
+* `guest-signaling` - Guests can do signaling via api endpoints
+* `empty-group-room` - Group rooms can be created without inviting a Nextcloud user group by default
+
+### 3.2
+* `guest-display-names` - Display names of guests are stored in the database, can be set via API (not WebRTC only) and are used on returned comments/participants/etc.
+* `multi-room-users` - Users can be in multiple rooms at the same time now
+
 
 ## Room management
 
diff --git a/lib/Capabilities.php b/lib/Capabilities.php
index a2d3d2d4059..5672725e65a 100644
--- a/lib/Capabilities.php
+++ b/lib/Capabilities.php
@@ -46,6 +46,8 @@ public function getCapabilities() {
 					'chat',
 					'guest-signaling',
 					'empty-group-room',
+					'guest-display-names',
+					'multi-room-users',
 				],
 			],
 		];
diff --git a/tests/php/CapabilitiesTest.php b/tests/php/CapabilitiesTest.php
index b91c473dd2d..c2372f5d572 100644
--- a/tests/php/CapabilitiesTest.php
+++ b/tests/php/CapabilitiesTest.php
@@ -41,6 +41,8 @@ public function testGetCapabilities() {
 					'chat',
 					'guest-signaling',
 					'empty-group-room',
+					'guest-display-names',
+					'multi-room-users',
 				],
 			],
 		], $capabilities->getCapabilities());