diff --git a/src/components/views/rooms/SendMessageComposer.tsx b/src/components/views/rooms/SendMessageComposer.tsx
index d7326ee913b..bc4a6ce7479 100644
--- a/src/components/views/rooms/SendMessageComposer.tsx
+++ b/src/components/views/rooms/SendMessageComposer.tsx
@@ -89,7 +89,7 @@ export function attachMentions(
     }
 
     // The mentions property *always* gets included to disable legacy push rules.
-    const mentions: IMentions = (content["org.matrix.msc3952.mentions"] = {});
+    const mentions: IMentions = (content["m.mentions"] = {});
 
     const userMentions = new Set<string>();
     let roomMention = false;
@@ -100,7 +100,7 @@ export function attachMentions(
         userMentions.add(replyToEvent.sender!.userId);
         // TODO What do we do if the reply event *doeesn't* have this property?
         // Try to fish out replies from the contents?
-        const userIds = replyToEvent.getContent()["org.matrix.msc3952.mentions"]?.user_ids;
+        const userIds = replyToEvent.getContent()["m.mentions"]?.user_ids;
         if (Array.isArray(userIds)) {
             userIds.forEach((userId) => userMentions.add(userId));
         }
@@ -127,7 +127,7 @@ export function attachMentions(
     if (editedContent) {
         // First, the new event content gets the *full* set of users.
         const newContent = content["m.new_content"];
-        const newMentions: IMentions = (newContent["org.matrix.msc3952.mentions"] = {});
+        const newMentions: IMentions = (newContent["m.mentions"] = {});
 
         // Only include the users/room if there is any content.
         if (userMentions.size) {
@@ -139,7 +139,7 @@ export function attachMentions(
 
         // Fetch the mentions from the original event and remove any previously
         // mentioned users.
-        const prevMentions = editedContent["org.matrix.msc3952.mentions"];
+        const prevMentions = editedContent["m.mentions"];
         if (Array.isArray(prevMentions?.user_ids)) {
             prevMentions!.user_ids.forEach((userId) => userMentions.delete(userId));
         }
diff --git a/src/settings/Settings.tsx b/src/settings/Settings.tsx
index 96594e90c90..3f32d27d777 100644
--- a/src/settings/Settings.tsx
+++ b/src/settings/Settings.tsx
@@ -552,9 +552,12 @@ export const SETTINGS: { [setting: string]: ISetting } = {
         displayName: _td("Enable intentional mentions"),
         labsGroup: LabGroup.Rooms,
         default: false,
-        controller: new ServerSupportUnstableFeatureController("feature_intentional_mentions", defaultWatchManager, [
-            ["org.matrix.msc3952_intentional_mentions"],
-        ]),
+        controller: new ServerSupportUnstableFeatureController(
+            "feature_intentional_mentions",
+            defaultWatchManager,
+            [["org.matrix.msc3952_intentional_mentions"]],
+            "v1.7",
+        ),
     },
     "feature_ask_to_join": {
         default: false,
diff --git a/test/ContentMessages-test.ts b/test/ContentMessages-test.ts
index e725d4d9ce2..64bd3c845cc 100644
--- a/test/ContentMessages-test.ts
+++ b/test/ContentMessages-test.ts
@@ -245,7 +245,7 @@ describe("ContentMessages", () => {
                 expect.objectContaining({
                     "url": "mxc://server/file",
                     "msgtype": "m.image",
-                    "org.matrix.msc3952.mentions": {
+                    "m.mentions": {
                         user_ids: ["@bob:test"],
                     },
                 }),
diff --git a/test/components/views/rooms/EditMessageComposer-test.tsx b/test/components/views/rooms/EditMessageComposer-test.tsx
index 64425d8f914..89cb09dd727 100644
--- a/test/components/views/rooms/EditMessageComposer-test.tsx
+++ b/test/components/views/rooms/EditMessageComposer-test.tsx
@@ -69,7 +69,7 @@ describe("<EditMessageComposer/>", () => {
             "format": "org.matrix.custom.html",
             "formatted_body":
                 'hey <a href="https://matrix.to/#/@bob:server.org">Bob</a> and <a href="https://matrix.to/#/@charlie:server.org">Charlie</a>',
-            "org.matrix.msc3952.mentions": {
+            "m.mentions": {
                 user_ids: ["@bob:server.org", "@charlie:server.org"],
             },
         },
@@ -303,8 +303,8 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // both content.mentions and new_content.mentions are empty
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({});
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({});
+                expect(messageContent["m.mentions"]).toEqual({});
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({});
             });
 
             it("should retain mentions in the original message that are not removed by the edit", async () => {
@@ -319,9 +319,9 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // no new mentions were added, so nothing in top level mentions
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({});
+                expect(messageContent["m.mentions"]).toEqual({});
                 // bob is still mentioned, charlie removed
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({
                     user_ids: ["@bob:server.org"],
                 });
             });
@@ -338,9 +338,9 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // no new mentions were added, so nothing in top level mentions
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({});
+                expect(messageContent["m.mentions"]).toEqual({});
                 // bob is not longer mentioned in the edited message, so empty mentions in new_content
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({});
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({});
             });
 
             it("should add mentions that were added in the edit", async () => {
@@ -357,10 +357,10 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // new mention in the edit
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.mentions"]).toEqual({
                     user_ids: ["@dan:server.org"],
                 });
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({
                     user_ids: ["@dan:server.org"],
                 });
             });
@@ -380,11 +380,11 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // new mention in the edit
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.mentions"]).toEqual({
                     user_ids: ["@dan:server.org"],
                 });
                 // all mentions in the edited version of the event
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({
                     user_ids: ["@bob:server.org", "@dan:server.org"],
                 });
             });
@@ -411,7 +411,7 @@ describe("<EditMessageComposer/>", () => {
                             event_id: originalEvent.getId(),
                         },
                     },
-                    "org.matrix.msc3952.mentions": {
+                    "m.mentions": {
                         user_ids: [originalEvent.getSender()!],
                     },
                 },
@@ -430,7 +430,7 @@ describe("<EditMessageComposer/>", () => {
                             event_id: originalEvent.getId(),
                         },
                     },
-                    "org.matrix.msc3952.mentions": {
+                    "m.mentions": {
                         user_ids: [
                             // sender of event we replied to
                             originalEvent.getSender()!,
@@ -457,9 +457,9 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // no new mentions from edit
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({});
+                expect(messageContent["m.mentions"]).toEqual({});
                 // edited reply still mentions the parent event sender
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({
                     user_ids: [originalEvent.getSender()],
                 });
             });
@@ -476,12 +476,12 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // new mention in edit
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.mentions"]).toEqual({
                     user_ids: ["@dan:server.org"],
                 });
                 // edited reply still mentions the parent event sender
                 // plus new mention @dan
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({
                     user_ids: [originalEvent.getSender(), "@dan:server.org"],
                 });
             });
@@ -497,10 +497,10 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // no mentions in edit
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({});
+                expect(messageContent["m.mentions"]).toEqual({});
                 // edited reply still mentions the parent event sender
                 // existing @bob mention removed
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({
                     user_ids: [originalEvent.getSender()],
                 });
             });
@@ -518,7 +518,7 @@ describe("<EditMessageComposer/>", () => {
                                 event_id: originalEvent.getId(),
                             },
                         },
-                        "org.matrix.msc3952.mentions": {
+                        "m.mentions": {
                             user_ids: [
                                 // sender of event we replied to
                                 originalEvent.getSender()!,
@@ -537,9 +537,9 @@ describe("<EditMessageComposer/>", () => {
                 const messageContent = mockClient.sendMessage.mock.calls[0][2];
 
                 // no mentions in edit
-                expect(messageContent["org.matrix.msc3952.mentions"]).toEqual({});
+                expect(messageContent["m.mentions"]).toEqual({});
                 // edited reply still mentions the parent event sender
-                expect(messageContent["m.new_content"]["org.matrix.msc3952.mentions"]).toEqual({
+                expect(messageContent["m.new_content"]["m.mentions"]).toEqual({
                     user_ids: [originalEvent.getSender()],
                 });
             });
diff --git a/test/components/views/rooms/SendMessageComposer-test.tsx b/test/components/views/rooms/SendMessageComposer-test.tsx
index bf9fb0e1851..39489b3dd27 100644
--- a/test/components/views/rooms/SendMessageComposer-test.tsx
+++ b/test/components/views/rooms/SendMessageComposer-test.tsx
@@ -178,7 +178,7 @@ describe("<SendMessageComposer/>", () => {
             const content: IContent = {};
             attachMentions("@alice:test", content, model, undefined);
             expect(content).toEqual({
-                "org.matrix.msc3952.mentions": {},
+                "m.mentions": {},
             });
         });
 
@@ -187,7 +187,7 @@ describe("<SendMessageComposer/>", () => {
             const content: IContent = {};
             attachMentions("@alice:test", content, model, undefined);
             expect(content).toEqual({
-                "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"] },
+                "m.mentions": { user_ids: ["@bob:test"] },
             });
         });
 
@@ -198,13 +198,13 @@ describe("<SendMessageComposer/>", () => {
                 type: "m.room.message",
                 user: "@bob:test",
                 room: "!abc:test",
-                content: { "org.matrix.msc3952.mentions": {} },
+                content: { "m.mentions": {} },
                 event: true,
             });
             let content: IContent = {};
             attachMentions("@alice:test", content, model, replyToEvent);
             expect(content).toEqual({
-                "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"] },
+                "m.mentions": { user_ids: ["@bob:test"] },
             });
 
             // It also adds any other mentioned users, but removes yourself.
@@ -212,13 +212,13 @@ describe("<SendMessageComposer/>", () => {
                 type: "m.room.message",
                 user: "@bob:test",
                 room: "!abc:test",
-                content: { "org.matrix.msc3952.mentions": { user_ids: ["@alice:test", "@charlie:test"] } },
+                content: { "m.mentions": { user_ids: ["@alice:test", "@charlie:test"] } },
                 event: true,
             });
             content = {};
             attachMentions("@alice:test", content, model, replyToEvent);
             expect(content).toEqual({
-                "org.matrix.msc3952.mentions": { user_ids: ["@bob:test", "@charlie:test"] },
+                "m.mentions": { user_ids: ["@bob:test", "@charlie:test"] },
             });
         });
 
@@ -227,7 +227,7 @@ describe("<SendMessageComposer/>", () => {
             const content: IContent = {};
             attachMentions("@alice:test", content, model, undefined);
             expect(content).toEqual({
-                "org.matrix.msc3952.mentions": { room: true },
+                "m.mentions": { room: true },
             });
         });
 
@@ -238,13 +238,13 @@ describe("<SendMessageComposer/>", () => {
                 type: "m.room.message",
                 user: "@alice:test",
                 room: "!abc:test",
-                content: { "org.matrix.msc3952.mentions": { room: true } },
+                content: { "m.mentions": { room: true } },
                 event: true,
             });
             const content: IContent = {};
             attachMentions("@alice:test", content, model, replyToEvent);
             expect(content).toEqual({
-                "org.matrix.msc3952.mentions": {},
+                "m.mentions": {},
             });
         });
 
@@ -256,13 +256,13 @@ describe("<SendMessageComposer/>", () => {
                 user: "@alice:test",
                 room: "!abc:test",
                 // @ts-ignore - Purposefully testing invalid data.
-                content: { "org.matrix.msc3952.mentions": { user_ids: "@bob:test" } },
+                content: { "m.mentions": { user_ids: "@bob:test" } },
                 event: true,
             });
             const content: IContent = {};
             attachMentions("@alice:test", content, model, replyToEvent);
             expect(content).toEqual({
-                "org.matrix.msc3952.mentions": {},
+                "m.mentions": {},
             });
         });
 
@@ -273,8 +273,8 @@ describe("<SendMessageComposer/>", () => {
                 const prevContent: IContent = {};
                 attachMentions("@alice:test", content, model, undefined, prevContent);
                 expect(content).toEqual({
-                    "org.matrix.msc3952.mentions": {},
-                    "m.new_content": { "org.matrix.msc3952.mentions": {} },
+                    "m.mentions": {},
+                    "m.new_content": { "m.mentions": {} },
                 });
             });
 
@@ -282,12 +282,12 @@ describe("<SendMessageComposer/>", () => {
                 const model = new EditorModel([], partsCreator);
                 const content: IContent = { "m.new_content": {} };
                 const prevContent: IContent = {
-                    "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"], room: true },
+                    "m.mentions": { user_ids: ["@bob:test"], room: true },
                 };
                 attachMentions("@alice:test", content, model, undefined, prevContent);
                 expect(content).toEqual({
-                    "org.matrix.msc3952.mentions": {},
-                    "m.new_content": { "org.matrix.msc3952.mentions": {} },
+                    "m.mentions": {},
+                    "m.new_content": { "m.mentions": {} },
                 });
             });
 
@@ -297,19 +297,19 @@ describe("<SendMessageComposer/>", () => {
                 const prevContent: IContent = {};
                 attachMentions("@alice:test", content, model, undefined, prevContent);
                 expect(content).toEqual({
-                    "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"] },
-                    "m.new_content": { "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"] } },
+                    "m.mentions": { user_ids: ["@bob:test"] },
+                    "m.new_content": { "m.mentions": { user_ids: ["@bob:test"] } },
                 });
             });
 
             it("test prev user mentions", () => {
                 const model = new EditorModel([partsCreator.userPill("Bob", "@bob:test")], partsCreator);
                 const content: IContent = { "m.new_content": {} };
-                const prevContent: IContent = { "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"] } };
+                const prevContent: IContent = { "m.mentions": { user_ids: ["@bob:test"] } };
                 attachMentions("@alice:test", content, model, undefined, prevContent);
                 expect(content).toEqual({
-                    "org.matrix.msc3952.mentions": {},
-                    "m.new_content": { "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"] } },
+                    "m.mentions": {},
+                    "m.new_content": { "m.mentions": { user_ids: ["@bob:test"] } },
                 });
             });
 
@@ -319,19 +319,19 @@ describe("<SendMessageComposer/>", () => {
                 const prevContent: IContent = {};
                 attachMentions("@alice:test", content, model, undefined, prevContent);
                 expect(content).toEqual({
-                    "org.matrix.msc3952.mentions": { room: true },
-                    "m.new_content": { "org.matrix.msc3952.mentions": { room: true } },
+                    "m.mentions": { room: true },
+                    "m.new_content": { "m.mentions": { room: true } },
                 });
             });
 
             it("test prev room mention", () => {
                 const model = new EditorModel([partsCreator.atRoomPill("@room")], partsCreator);
                 const content: IContent = { "m.new_content": {} };
-                const prevContent: IContent = { "org.matrix.msc3952.mentions": { room: true } };
+                const prevContent: IContent = { "m.mentions": { room: true } };
                 attachMentions("@alice:test", content, model, undefined, prevContent);
                 expect(content).toEqual({
-                    "org.matrix.msc3952.mentions": {},
-                    "m.new_content": { "org.matrix.msc3952.mentions": { room: true } },
+                    "m.mentions": {},
+                    "m.new_content": { "m.mentions": { room: true } },
                 });
             });
 
@@ -340,11 +340,11 @@ describe("<SendMessageComposer/>", () => {
                 const model = new EditorModel([], partsCreator);
                 const content: IContent = { "m.new_content": {} };
                 // @ts-ignore - Purposefully testing invalid data.
-                const prevContent: IContent = { "org.matrix.msc3952.mentions": { user_ids: "@bob:test" } };
+                const prevContent: IContent = { "m.mentions": { user_ids: "@bob:test" } };
                 attachMentions("@alice:test", content, model, undefined, prevContent);
                 expect(content).toEqual({
-                    "org.matrix.msc3952.mentions": {},
-                    "m.new_content": { "org.matrix.msc3952.mentions": {} },
+                    "m.mentions": {},
+                    "m.new_content": { "m.mentions": {} },
                 });
             });
         });
diff --git a/test/components/views/rooms/VoiceRecordComposerTile-test.tsx b/test/components/views/rooms/VoiceRecordComposerTile-test.tsx
index fa0b61ef1df..6171fd6bd2c 100644
--- a/test/components/views/rooms/VoiceRecordComposerTile-test.tsx
+++ b/test/components/views/rooms/VoiceRecordComposerTile-test.tsx
@@ -135,7 +135,7 @@ describe("<VoiceRecordComposerTile/>", () => {
                 "org.matrix.msc1767.text": "Voice message",
                 "org.matrix.msc3245.voice": {},
                 "url": "mxc://example.com/voice",
-                "org.matrix.msc3952.mentions": {},
+                "m.mentions": {},
             });
         });
 
@@ -189,7 +189,7 @@ describe("<VoiceRecordComposerTile/>", () => {
                         event_id: replyToEvent.getId(),
                     },
                 },
-                "org.matrix.msc3952.mentions": { user_ids: ["@bob:test"] },
+                "m.mentions": { user_ids: ["@bob:test"] },
             });
         });
     });
diff --git a/test/models/notificationsettings/pushrules_bug_botnotices.json b/test/models/notificationsettings/pushrules_bug_botnotices.json
index 7956afb99c7..6ae0350140a 100644
--- a/test/models/notificationsettings/pushrules_bug_botnotices.json
+++ b/test/models/notificationsettings/pushrules_bug_botnotices.json
@@ -345,13 +345,13 @@
                 "enabled": true
             },
             {
-                "rule_id": ".org.matrix.msc3952.is_user_mention",
+                "rule_id": ".m.rule.is_user_mention",
                 "default": true,
                 "enabled": true,
                 "conditions": [
                     {
                         "kind": "event_property_contains",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.user_ids",
+                        "key": "content.m\\.mentions.user_ids",
                         "value": "@jannemk:element.io"
                     }
                 ],
@@ -363,13 +363,13 @@
                 ]
             },
             {
-                "rule_id": ".org.matrix.msc3952.is_room_mention",
+                "rule_id": ".m.rule.is_room_mention",
                 "default": true,
                 "enabled": true,
                 "conditions": [
                     {
                         "kind": "event_property_is",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.room",
+                        "key": "content.m\\.mentions.room",
                         "value": true
                     },
                     {
diff --git a/test/models/notificationsettings/pushrules_bug_keyword_only.json b/test/models/notificationsettings/pushrules_bug_keyword_only.json
index 172957e53dd..1526681a634 100644
--- a/test/models/notificationsettings/pushrules_bug_keyword_only.json
+++ b/test/models/notificationsettings/pushrules_bug_keyword_only.json
@@ -315,13 +315,13 @@
                 "enabled": true
             },
             {
-                "rule_id": ".org.matrix.msc3952.is_user_mention",
+                "rule_id": ".m.rule.is_user_mention",
                 "default": true,
                 "enabled": false,
                 "conditions": [
                     {
                         "kind": "event_property_contains",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.user_ids",
+                        "key": "content.m\\.mentions.user_ids",
                         "value": "@jannemk:element.io"
                     }
                 ],
@@ -333,13 +333,13 @@
                 ]
             },
             {
-                "rule_id": ".org.matrix.msc3952.is_room_mention",
+                "rule_id": ".m.rule.is_room_mention",
                 "default": true,
                 "enabled": true,
                 "conditions": [
                     {
                         "kind": "event_property_is",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.room",
+                        "key": "content.m\\.mentions.room",
                         "value": true
                     },
                     {
diff --git a/test/models/notificationsettings/pushrules_default.json b/test/models/notificationsettings/pushrules_default.json
index 1f6252410a1..a50531a99de 100644
--- a/test/models/notificationsettings/pushrules_default.json
+++ b/test/models/notificationsettings/pushrules_default.json
@@ -259,7 +259,7 @@
                 "conditions": [
                     {
                         "kind": "event_property_contains",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.user_ids",
+                        "key": "content.m\\.mentions.user_ids",
                         "value": "@jannetestuser:beta.matrix.org"
                     }
                 ],
@@ -269,7 +269,7 @@
                         "set_tweak": "highlight"
                     }
                 ],
-                "rule_id": ".org.matrix.msc3952.is_user_mention",
+                "rule_id": ".m.rule.is_user_mention",
                 "default": true,
                 "enabled": true,
                 "kind": "override"
@@ -299,7 +299,7 @@
                 "conditions": [
                     {
                         "kind": "event_property_is",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.room",
+                        "key": "content.m\\.mentions.room",
                         "value": true
                     },
                     {
@@ -313,7 +313,7 @@
                         "set_tweak": "highlight"
                     }
                 ],
-                "rule_id": ".org.matrix.msc3952.is_room_mention",
+                "rule_id": ".m.rule.is_room_mention",
                 "default": true,
                 "enabled": true,
                 "kind": "override"
diff --git a/test/models/notificationsettings/pushrules_default_new.json b/test/models/notificationsettings/pushrules_default_new.json
index 379e2d222dc..c405f41fa33 100644
--- a/test/models/notificationsettings/pushrules_default_new.json
+++ b/test/models/notificationsettings/pushrules_default_new.json
@@ -265,7 +265,7 @@
                 "conditions": [
                     {
                         "kind": "event_property_contains",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.user_ids",
+                        "key": "content.m\\.mentions.user_ids",
                         "value": "@jannetestuser:beta.matrix.org"
                     }
                 ],
@@ -275,7 +275,7 @@
                         "set_tweak": "highlight"
                     }
                 ],
-                "rule_id": ".org.matrix.msc3952.is_user_mention",
+                "rule_id": ".m.rule.is_user_mention",
                 "default": true,
                 "enabled": true,
                 "kind": "override"
@@ -305,7 +305,7 @@
                 "conditions": [
                     {
                         "kind": "event_property_is",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.room",
+                        "key": "content.m\\.mentions.room",
                         "value": true
                     },
                     {
@@ -319,7 +319,7 @@
                         "set_tweak": "highlight"
                     }
                 ],
-                "rule_id": ".org.matrix.msc3952.is_room_mention",
+                "rule_id": ".m.rule.is_room_mention",
                 "default": true,
                 "enabled": true,
                 "kind": "override"
diff --git a/test/models/notificationsettings/pushrules_sample.json b/test/models/notificationsettings/pushrules_sample.json
index 2c9f4b2af7b..7c8819e2b07 100644
--- a/test/models/notificationsettings/pushrules_sample.json
+++ b/test/models/notificationsettings/pushrules_sample.json
@@ -501,13 +501,13 @@
                 "kind": "override"
             },
             {
-                "rule_id": ".org.matrix.msc3952.is_user_mention",
+                "rule_id": ".m.rule.is_user_mention",
                 "default": true,
                 "enabled": true,
                 "conditions": [
                     {
                         "kind": "event_property_contains",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.user_ids",
+                        "key": "content.m\\.mentions.user_ids",
                         "value": "@jannemk:element.io"
                     }
                 ],
@@ -520,13 +520,13 @@
                 "kind": "override"
             },
             {
-                "rule_id": ".org.matrix.msc3952.is_room_mention",
+                "rule_id": ".m.rule.is_room_mention",
                 "default": true,
                 "enabled": true,
                 "conditions": [
                     {
                         "kind": "event_property_is",
-                        "key": "content.org\\.matrix\\.msc3952\\.mentions.room",
+                        "key": "content.m\\.mentions.room",
                         "value": true
                     },
                     {
diff --git a/test/test-utils/pushRules.ts b/test/test-utils/pushRules.ts
index cffc423d1c6..a50f7dd36d8 100644
--- a/test/test-utils/pushRules.ts
+++ b/test/test-utils/pushRules.ts
@@ -237,12 +237,12 @@ export const DEFAULT_PUSH_RULES: IPushRules = Object.freeze({
                 conditions: [
                     {
                         kind: "event_property_contains",
-                        key: "content.org\\.matrix\\.msc3952\\.mentions.user_ids",
+                        key: "content.m\\.mentions.user_ids",
                         value_type: "user_id",
                     },
                 ],
                 actions: ["notify", { set_tweak: "highlight" }, { set_tweak: "sound", value: "default" }],
-                rule_id: ".org.matrix.msc3952.is_user_mention",
+                rule_id: ".m.rule.is_user_mention",
                 default: true,
                 enabled: true,
             },
@@ -255,11 +255,11 @@ export const DEFAULT_PUSH_RULES: IPushRules = Object.freeze({
             },
             {
                 conditions: [
-                    { kind: "event_property_is", key: "content.org\\.matrix\\.msc3952\\.mentions.room", value: true },
+                    { kind: "event_property_is", key: "content.m\\.mentions.room", value: true },
                     { kind: "sender_notification_permission", key: "room" },
                 ],
                 actions: ["notify", { set_tweak: "highlight" }],
-                rule_id: ".org.matrix.msc3952.is_room_mention",
+                rule_id: ".m.rule.is_room_mention",
                 default: true,
                 enabled: true,
             },