Add standard push notifications (#1585)

content/en/entities/WebPushSubscription.md

@@ -22,6 +22,7 @@ aliases: [
 {
   "id": 328183,
   "endpoint": "https://yourdomain.example/listener",
+  "standard": true,
   "alerts": {
     "follow": false,
     "favourite": false,
@@ -49,6 +50,13 @@ aliases: [
 **Version history:**\
 2.4.0 - added
 
+### `standard` {#standard}
+
+**Description:** If the push messages follow the standardized specifications (RFC8030+RFC8291+RFC8292). Else they follow a legacy version of the specifications (4th draft of RFC8291 and 1st draft of RFC8292).
+**Type:** Boolean
+**Version history:**\
+4.4.0 - added
+
 ### `server_key` {#server_key}
 
 **Description:** The streaming server's VAPID key.\

content/en/methods/push.md

@@ -46,7 +46,8 @@ Add a Web Push API subscription to receive notifications. Each access token can
 3.4.0 - added `data[policy]`\
 3.5.0 - added `data[alerts][update]` and `data[alerts][admin.sign_up]`\
 4.0.0 - added `data[alerts][admin.report]`\
-4.3.0 - added stricter request parameter validation, invalid endpoint URLs and subscription keys will now result in an error, previously these would be accepted, but silently fail.
+4.3.0 - added stricter request parameter validation, invalid endpoint URLs and subscription keys will now result in an error, previously these would be accepted, but silently fail.\
+4.4.0 - added `subscription[standard]`
 
 #### Request
 
@@ -66,6 +67,9 @@ subscription[keys][p256dh]
 subscription[keys][auth]
 : {{<required>}} String. Auth secret. Base64 encoded string of 16 bytes of random data.
 
+subscription[standard]
+: Boolean. Follow standardized webpush (RFC8030+RFC8291+RFC8292) ? Else follow legacy webpush (unpublished version, 4th draft of RFC8291 and 1st draft of RFC8292). Defaults to false.
+
 data[alerts][mention]
 : Boolean. Receive mention notifications? Defaults to false.
 
@@ -108,6 +112,7 @@ A new PushSubscription has been generated, which will send the requested alerts
 {
   "id": 328183,
   "endpoint": "https://yourdomain.example/listener",
+  "standard": true,
   "alerts": {
     "follow": true,
     "favourite": true,
@@ -157,6 +162,7 @@ Authorization
 {
   "id": 328183,
   "endpoint": "https://yourdomain.example/listener",
+  "standard": true,
   "alerts": {
     "follow": true,
     "favourite": true,
@@ -258,6 +264,7 @@ Updating a PushSubscription to only receive mention alerts
 {
   "id": 328183,
   "endpoint": "https://yourdomain.example/listener",
+  "standard": true,
   "alerts": {
     "follow": false,
     "favourite": false,