Merge 3da385597b into 0b5db68242

Signed-off-by: Kévin Commaille <zecakeh@tedomum.fr>

changelogs/application_service/newsfragments/2330.clarification

@@ -0,0 +1 @@
+Fix various typos throughout the specification.

changelogs/client_server/newsfragments/2328.feature

@@ -0,0 +1 @@
+Add the `is_animated` flag to the `info` object of the `m.image` msgtype and the `m.sticker` event, as per [MSC4230](https://github.com/matrix-org/matrix-spec-proposals/pull/423O).

content/application-service-api.md

@@ -84,7 +84,7 @@ For the `users` namespace, application services can only register interest in
 homeserver). Events affecting users on other homeservers are not sent to an application
 service, even if the user happens to match the one of the `users` namespaces (unless,
 of course, the event affects a room that the application service is interested in
-for another room - for example, because there is another user in the room that the
+for another reason - for example, because there is another user in the room that the
 application service is interested in).
 
 For the `rooms` and `aliases` namespaces, all events in a matching room will be

data/event-schemas/examples/m.room.message$m.image.yaml

@@ -7,7 +7,8 @@
         "h": 398,
         "w": 394,
         "mimetype": "image/jpeg",
-        "size": 31037
+        "size": 31037,
+        "is_animated": false
     },
     "url": "mxc://example.org/JWEIFJgwEIhweiWJE",
     "msgtype": "m.image"

data/event-schemas/examples/m.sticker.yaml

@@ -9,7 +9,8 @@
         "mimetype": "image/png",
         "h": 200,
         "w": 140,
-        "size": 73602
+        "size": 73602,
+        "is_animated": true
       },
       "h": 200,
       "thumbnail_url": "mxc://matrix.org/sHhqkFCvSkFwtmvtETOtKnLP",

data/event-schemas/schema/core-event-schema/msgtype_infos/image_info.yaml

@@ -34,5 +34,19 @@ properties:
     allOf:
       - $ref: thumbnail_info.yaml
     description: Metadata about the image referred to in `thumbnail_url`.
+  is_animated:
+    x-addedInMatrixVersion: "1.18"
+    description: |-
+      If this flag is `true`, the original image SHOULD be assumed to be
+      animated. If this flag is `false`, the original image SHOULD be assumed to
+      NOT be animated.
+
+      If a sending client is unable to determine whether an image is animated,
+      it SHOULD leave the flag unset.
+
+      Receiving clients MAY use this flag to optimize whether to download the
+      original image rather than a thumbnail if it is animated, but they SHOULD
+      NOT trust this flag.
+    type: boolean
 title: ImageInfo
 type: object