diff --git a/ts/models/messages.ts b/ts/models/messages.ts
index 0a48442ebcf4..22c57e343853 100644
--- a/ts/models/messages.ts
+++ b/ts/models/messages.ts
@@ -2528,6 +2528,9 @@ export class MessageModel extends window.Backbone.Model<MessageAttributesType> {
       await DataWriter.saveMessage(this.attributes, {
         ourAci: window.textsecure.storage.user.getCheckedAci(),
       });
+      window.reduxActions.conversations.markOpenConversationRead(
+        conversation.id
+      );
     }
   }
 
diff --git a/ts/state/ducks/conversations.ts b/ts/state/ducks/conversations.ts
index 3b595eaa2731..1a74ff2fb6f7 100644
--- a/ts/state/ducks/conversations.ts
+++ b/ts/state/ducks/conversations.ts
@@ -611,6 +611,7 @@ const PUSH_PANEL = 'conversations/PUSH_PANEL';
 const POP_PANEL = 'conversations/POP_PANEL';
 const PANEL_ANIMATION_DONE = 'conversations/PANEL_ANIMATION_DONE';
 const PANEL_ANIMATION_STARTED = 'conversations/PANEL_ANIMATION_STARTED';
+export const MARK_READ = 'conversations/MARK_READ';
 export const MESSAGE_CHANGED = 'MESSAGE_CHANGED';
 export const MESSAGE_DELETED = 'MESSAGE_DELETED';
 export const MESSAGE_EXPIRED = 'conversations/MESSAGE_EXPIRED';
@@ -780,6 +781,12 @@ type ConversationStoppedByMissingVerificationActionType = ReadonlyDeep<{
     untrustedServiceIds: ReadonlyArray<ServiceIdString>;
   };
 }>;
+export type MarkReadActionType = ReadonlyDeep<{
+  type: typeof MARK_READ;
+  payload: {
+    conversationId: string;
+  };
+}>;
 export type MessageChangedActionType = ReadonlyDeep<{
   type: typeof MESSAGE_CHANGED;
   payload: {
@@ -1027,6 +1034,7 @@ export type ConversationActionType =
   | CreateGroupRejectedActionType
   | CustomColorRemovedActionType
   | DiscardMessagesActionType
+  | MarkReadActionType
   | MessageChangedActionType
   | MessageDeletedActionType
   | MessageExpandedActionType
@@ -1122,6 +1130,7 @@ export const actions = {
   loadRecentMediaItems,
   markAttachmentAsCorrupted,
   markMessageRead,
+  markOpenConversationRead,
   messageChanged,
   messageDeleted,
   messageExpanded,
@@ -2888,6 +2897,26 @@ function conversationStoppedByMissingVerification(payload: {
   };
 }
 
+export function markOpenConversationRead(
+  conversationId: string
+): ThunkAction<void, RootStateType, unknown, MarkReadActionType> {
+  return async (dispatch, getState) => {
+    const state = getState();
+    const { nav } = state;
+
+    if (nav.selectedNavTab !== NavTab.Chats) {
+      return;
+    }
+
+    dispatch({
+      type: MARK_READ,
+      payload: {
+        conversationId,
+      },
+    });
+  };
+}
+
 export function messageChanged(
   id: string,
   conversationId: string,
@@ -5524,6 +5553,28 @@ export function reducer(
     };
   }
 
+  if (action.type === MARK_READ) {
+    const { conversationId } = action.payload;
+    const existingConversation = state.messagesByConversation[conversationId];
+
+    // We don't keep track of messages unless their conversation is loaded...
+    if (!existingConversation) {
+      return state;
+    }
+
+    return {
+      ...state,
+      messagesByConversation: {
+        ...state.messagesByConversation,
+        [conversationId]: {
+          ...existingConversation,
+          messageChangeCounter:
+            (existingConversation.messageChangeCounter || 0) + 1,
+        },
+      },
+    };
+  }
+
   if (action.type === MESSAGE_CHANGED) {
     const { id, conversationId, data } = action.payload;
     const existingConversation = state.messagesByConversation[conversationId];
@@ -5553,8 +5604,6 @@ export function reducer(
 
     const hasNewEdit =
       existingMessage.editHistory?.length !== data.editHistory?.length ? 1 : 0;
-    const toIncrement = data.reactions?.length || hasNewEdit;
-
     const updatedMessage = {
       ...data,
       displayLimit: existingMessage.displayLimit,
@@ -5572,14 +5621,6 @@ export function reducer(
         state
       ),
       preloadData: undefined,
-      messagesByConversation: {
-        ...state.messagesByConversation,
-        [conversationId]: {
-          ...existingConversation,
-          messageChangeCounter:
-            (existingConversation.messageChangeCounter || 0) + toIncrement,
-        },
-      },
       messagesLookup: {
         ...state.messagesLookup,
         [id]: updatedMessage,
diff --git a/ts/test-electron/backup/calling_test.ts b/ts/test-electron/backup/calling_test.ts
index cf563f877cb2..5e2d66045c01 100644
--- a/ts/test-electron/backup/calling_test.ts
+++ b/ts/test-electron/backup/calling_test.ts
@@ -68,8 +68,7 @@ describe('backup/calling', () => {
     callLink = {
       rootKey: rootKey.toString(),
       roomId: getRoomIdFromRootKey(rootKey),
-      // TODO: DESKTOP-7511
-      adminKey: fromAdminKeyBytes(Buffer.concat([adminKey, adminKey])),
+      adminKey: fromAdminKeyBytes(adminKey),
       name: "Let's Talk Rocks",
       restrictions: CallLinkRestrictions.AdminApproval,
       revoked: false,
diff --git a/ts/test-electron/state/ducks/conversations_test.ts b/ts/test-electron/state/ducks/conversations_test.ts
index a6dfc0053ec3..462c3a0f603d 100644
--- a/ts/test-electron/state/ducks/conversations_test.ts
+++ b/ts/test-electron/state/ducks/conversations_test.ts
@@ -1577,64 +1577,6 @@ describe('both/state/ducks/conversations', () => {
           0
         );
       });
-
-      it('increments message change counter if new message has reactions', () => {
-        const changedMessageWithReaction: MessageType = {
-          ...changedMessage,
-          reactions: [
-            {
-              emoji: '✨',
-              fromId: 'some-other-id',
-              timestamp: 2222,
-              receivedAtDate: 3333,
-              targetTimestamp: 1111,
-            },
-          ],
-        };
-        const state = reducer(
-          startState,
-          messageChanged(messageId, conversationId, changedMessageWithReaction)
-        );
-
-        assert.deepEqual(
-          state.messagesLookup[messageId],
-          changedMessageWithReaction
-        );
-        assert.strictEqual(
-          state.messagesByConversation[conversationId]?.messageChangeCounter,
-          1
-        );
-      });
-
-      it('does not increment message change counter if only old message had reactions', () => {
-        const updatedStartState = {
-          ...startState,
-          messagesLookup: {
-            [messageId]: {
-              ...startState.messagesLookup[messageId],
-              reactions: [
-                {
-                  emoji: '✨',
-                  fromId: 'some-other-id',
-                  timestamp: 2222,
-                  receivedAtDate: 3333,
-                  targetTimestamp: 1111,
-                },
-              ],
-            },
-          },
-        };
-        const state = reducer(
-          updatedStartState,
-          messageChanged(messageId, conversationId, changedMessage)
-        );
-
-        assert.deepEqual(state.messagesLookup[messageId], changedMessage);
-        assert.strictEqual(
-          state.messagesByConversation[conversationId]?.messageChangeCounter,
-          0
-        );
-      });
     });
 
     describe('SHOW_ARCHIVED_CONVERSATIONS', () => {
diff --git a/ts/util/handleEditMessage.ts b/ts/util/handleEditMessage.ts
index 5f402fb36713..21c7900c061b 100644
--- a/ts/util/handleEditMessage.ts
+++ b/ts/util/handleEditMessage.ts
@@ -370,6 +370,10 @@ export async function handleEditMessage(
       isFirstRun: false,
       skipEdits: true,
     });
+
+    window.reduxActions.conversations.markOpenConversationRead(
+      mainMessageConversation.id
+    );
   }
 
   // Apply any other pending edits that target this message