Propagate updates

src/matrix/room/timeline/Timeline.js

@@ -259,14 +259,30 @@ export class Timeline {
     /**
      * Update entries based on newly received events.
      * eg: a newly received redacted event may mark an existing event in contextEntriesNotInTimeline as being redacted 
+     * This is only for the events that are not in the timeline but had to fetched from elsewhere to render reply previews.
      */
     _updateFetchedEntries(entries) {
         for (const entry of entries) {
-            const relatedEntry = this._getTrackedEntry(entry.relatedEventId);
+            const relatedEntry = this._contextEntriesNotInTimeline.get(entry.relatedEventId);
-            // todo: can this be called .addRelation instead?
+            if (!relatedEntry) {
-            if (relatedEntry?.addLocalRelation(entry)) {
+                continue;
-                relatedEntry.contextForEntries?.forEach(e => this._updateEntry(e));
             }
+            // update dependents with this new entry indicating that this is an update to contextEntry
+            const newEntry = this._createEntryFromRelatedEntries(entry, relatedEntry);
+            if (newEntry) {
+                Timeline._entryUpdater(relatedEntry, newEntry);
+                relatedEntry.contextForEntries?.forEach(e => {
+                    this._remoteEntries.findAndUpdate(te => te.id === e.id, () => { return { reply: newEntry }; });
+                });
+            }
+        }
+    }
+
+    _createEntryFromRelatedEntries(entry, relatedEntry) {
+        if (entry.isRedaction) {
+            const newEntry = relatedEntry.clone();
+            newEntry.setAsRedacted();
+            return newEntry;
         }
     }
 

src/matrix/room/timeline/entries/EventEntry.js

@@ -26,6 +26,7 @@ export class EventEntry extends BaseEventEntry {
         this._decryptionResult = null;
         this._contextEntry = null;
         this._contextForEntries = null;
+        this._markedAsRedacted = false;
     }
 
     clone() {
@@ -55,6 +56,10 @@ export class EventEntry extends BaseEventEntry {
         this._contextForEntries.push(entry);
     }
 
+    setAsRedacted() {
+        this._markedAsRedacted = true;
+    }
+
     get contextForEntries() {
         return this._contextForEntries;
     }
@@ -153,7 +158,7 @@ export class EventEntry extends BaseEventEntry {
     }
 
     get isRedacted() {
-        return super.isRedacted || isRedacted(this._eventEntry.event);
+        return this._markedAsRedacted || super.isRedacted || isRedacted(this._eventEntry.event);
     }
 
     get redactionReason() {