diff --git a/app/components/post_list/date_separator/index.tsx b/app/components/post_list/date_separator/index.tsx
index 69e365a93..0284e69f2 100644
--- a/app/components/post_list/date_separator/index.tsx
+++ b/app/components/post_list/date_separator/index.tsx
@@ -86,4 +86,4 @@ const DateSeparator = (props: DateSeparatorProps) => {
     );
 };
 
-export default DateSeparator;
+export default React.memo(DateSeparator);
diff --git a/app/components/post_list/post/index.ts b/app/components/post_list/post/index.ts
index 3bddd9213..8b5bec0b0 100644
--- a/app/components/post_list/post/index.ts
+++ b/app/components/post_list/post/index.ts
@@ -5,7 +5,7 @@ import {withDatabase} from '@nozbe/watermelondb/DatabaseProvider';
 import withObservables from '@nozbe/with-observables';
 import React from 'react';
 import {of as of$, combineLatest} from 'rxjs';
-import {switchMap} from 'rxjs/operators';
+import {switchMap, distinctUntilChanged} from 'rxjs/operators';
 
 import {Permissions, Preferences} from '@constants';
 import {queryAllCustomEmojis} from '@queries/servers/custom_emoji';
@@ -107,6 +107,7 @@ const withPost = withObservables(
         const isSaved = queryPreferencesByCategoryAndName(database, Preferences.CATEGORY_SAVED_POST, post.id).
             observeWithColumns(['value']).pipe(
                 switchMap((pref) => of$(Boolean(pref.length))),
+                distinctUntilChanged(),
             );
 
         if (post.props?.add_channel_member && isPostEphemeral(post)) {
@@ -119,7 +120,9 @@ const withPost = withObservables(
                     return observeShouldHighlightReplyBar(database, currentUser, post, postsInThreads[0]);
                 }
                 return of$(false);
-            }));
+            }),
+            distinctUntilChanged(),
+        );
 
         let differentThreadSequence = true;
         if (post.rootId) {
@@ -129,14 +132,17 @@ const withPost = withObservables(
 
         if (post.message.length && !(/^\s{4}/).test(post.message)) {
             isJumboEmoji = queryAllCustomEmojis(database).observe().pipe(
-                // eslint-disable-next-line max-nested-callbacks
-                switchMap((customEmojis: CustomEmojiModel[]) => of$(hasJumboEmojiOnly(post.message, customEmojis.map((c) => c.name))),
+                switchMap(
+                    // eslint-disable-next-line max-nested-callbacks
+                    (customEmojis: CustomEmojiModel[]) => of$(hasJumboEmojiOnly(post.message, customEmojis.map((c) => c.name))),
                 ),
+                distinctUntilChanged(),
             );
         }
         const hasReplies = observeHasReplies(post);
         const isConsecutivePost = author.pipe(
             switchMap((user) => of$(Boolean(post && previousPost && !user?.isBot && areConsecutivePosts(post, previousPost)))),
+            distinctUntilChanged(),
         );
 
         return {
diff --git a/app/queries/servers/role.ts b/app/queries/servers/role.ts
index 6726e63da..f36106fe3 100644
--- a/app/queries/servers/role.ts
+++ b/app/queries/servers/role.ts
@@ -3,7 +3,7 @@
 
 import {Database, Q} from '@nozbe/watermelondb';
 import {of as of$, combineLatest} from 'rxjs';
-import {switchMap} from 'rxjs/operators';
+import {switchMap, distinctUntilChanged} from 'rxjs/operators';
 
 import {Database as DatabaseConstants, General, Permissions} from '@constants';
 import {isDMorGM} from '@utils/channel';
@@ -52,7 +52,9 @@ export function observePermissionForChannel(database: Database, channel: Channel
         return queryRolesByNames(database, rolesArray).observeWithColumns(['permissions']).pipe(
             switchMap((r) => of$(hasPermission(r, permission, defaultValue))),
         );
-    }));
+    }),
+    distinctUntilChanged(),
+    );
 }
 
 export function observePermissionForTeam(database: Database, team: TeamModel, user: UserModel, permission: string, defaultValue: boolean) {
@@ -68,20 +70,27 @@ export function observePermissionForTeam(database: Database, team: TeamModel, us
                 switchMap((roles) => of$(hasPermission(roles, permission, defaultValue))),
             );
         }),
+        distinctUntilChanged(),
     );
 }
 
 export function observePermissionForPost(database: Database, post: PostModel, user: UserModel, permission: string, defaultValue: boolean) {
-    return observeChannel(database, post.channelId).pipe(switchMap((c) => (c ? observePermissionForChannel(database, c, user, permission, defaultValue) : of$(defaultValue))));
+    return observeChannel(database, post.channelId).pipe(
+        switchMap((c) => (c ? observePermissionForChannel(database, c, user, permission, defaultValue) : of$(defaultValue))),
+        distinctUntilChanged(),
+    );
 }
 
 export function observeCanManageChannelMembers(database: Database, post: PostModel, user: UserModel) {
-    return observeChannel(database, post.channelId).pipe((switchMap((c) => {
-        if (!c || c.deleteAt !== 0 || isDMorGM(c) || c.name === General.DEFAULT_CHANNEL) {
-            return of$(false);
-        }
+    return observeChannel(database, post.channelId).pipe(
+        switchMap((c) => {
+            if (!c || c.deleteAt !== 0 || isDMorGM(c) || c.name === General.DEFAULT_CHANNEL) {
+                return of$(false);
+            }
 
-        const permission = c.type === General.OPEN_CHANNEL ? Permissions.MANAGE_PUBLIC_CHANNEL_MEMBERS : Permissions.MANAGE_PRIVATE_CHANNEL_MEMBERS;
-        return observePermissionForChannel(database, c, user, permission, true);
-    })));
+            const permission = c.type === General.OPEN_CHANNEL ? Permissions.MANAGE_PUBLIC_CHANNEL_MEMBERS : Permissions.MANAGE_PRIVATE_CHANNEL_MEMBERS;
+            return observePermissionForChannel(database, c, user, permission, true);
+        }),
+        distinctUntilChanged(),
+    );
 }
diff --git a/app/queries/servers/thread.ts b/app/queries/servers/thread.ts
index 9e64ea743..d9ae4d12d 100644
--- a/app/queries/servers/thread.ts
+++ b/app/queries/servers/thread.ts
@@ -41,6 +41,7 @@ export const observeIsCRTEnabled = (database: Database) => {
         map(
             ([cfg, prefs]) => processIsCRTEnabled(prefs, cfg),
         ),
+        distinctUntilChanged(),
     );
 };
 
diff --git a/app/screens/channel/channel_post_list/index.ts b/app/screens/channel/channel_post_list/index.ts
index 2828a4e7a..c46ceb12e 100644
--- a/app/screens/channel/channel_post_list/index.ts
+++ b/app/screens/channel/channel_post_list/index.ts
@@ -7,7 +7,7 @@ import withObservables from '@nozbe/with-observables';
 import React from 'react';
 import {AppStateStatus} from 'react-native';
 import {combineLatest, of as of$} from 'rxjs';
-import {switchMap} from 'rxjs/operators';
+import {switchMap, distinctUntilChanged} from 'rxjs/operators';
 
 import {Preferences} from '@constants';
 import {getPreferenceAsBool} from '@helpers/api/preference';
@@ -28,6 +28,7 @@ const enhanced = withObservables(['channelId', 'forceQueryAfterAppState'], ({dat
         isCRTEnabled: isCRTEnabledObserver,
         lastViewedAt: observeMyChannel(database, channelId).pipe(
             switchMap((myChannel) => of$(myChannel?.viewedAt)),
+            distinctUntilChanged(),
         ),
         posts: combineLatest([isCRTEnabledObserver, postsInChannelObserver]).pipe(
             switchMap(([isCRTEnabled, postsInChannel]) => {
@@ -42,6 +43,7 @@ const enhanced = withObservables(['channelId', 'forceQueryAfterAppState'], ({dat
         shouldShowJoinLeaveMessages: queryPreferencesByCategoryAndName(database, Preferences.CATEGORY_ADVANCED_SETTINGS, Preferences.ADVANCED_FILTER_JOIN_LEAVE).
             observeWithColumns(['value']).pipe(
                 switchMap((preferences) => of$(getPreferenceAsBool(preferences, Preferences.CATEGORY_ADVANCED_SETTINGS, Preferences.ADVANCED_FILTER_JOIN_LEAVE, true))),
+                distinctUntilChanged(),
             ),
     };
 });