Make sure that contentMaxWidth is used instead of bubbleMaxWidth for the message delegate.

imports/NeoChat/Component/Timeline/MessageDelegate.qml

@@ -20,13 +20,14 @@ TimelineContainer {
     hoverComponent: hoverActions
 
     innerObject: ColumnLayout {
+        Layout.maximumWidth: messageDelegate.contentMaxWidth
         RichLabel {
             id: label
             isEmote: messageDelegate.isEmote
-            Layout.maximumWidth: messageDelegate.bubbleMaxWidth
         }
         Loader {
             id: linkPreviewLoader
+            Layout.fillWidth: true
             height: active ? item.implicitHeight : 0
             active: !currentRoom.usesEncryption && model.display && model.display.includes("http")
             visible: active

imports/NeoChat/Component/Timeline/ReplyComponent.qml

@@ -15,7 +15,7 @@ MouseArea {
     id: replyButton
     Layout.fillWidth: true
     implicitHeight: replyName.implicitHeight + (loader.item ? loader.item.height : 0) + Kirigami.Units.largeSpacing
-    implicitWidth: Math.min(contentMaxWidth, Math.max((loader.item ? loader.item.width + Kirigami.Units.largeSpacing + Kirigami.Units.smallSpacing : 0), replyName.implicitWidth)) + Kirigami.Units.gridUnit + Kirigami.Units.smallSpacing * 3
+    implicitWidth: Math.min(contentMaxWidth, Math.max((loader.item ? loader.item.width : 0), replyName.implicitWidth)) + Kirigami.Units.gridUnit + Kirigami.Units.smallSpacing
     Component.onCompleted: {
         parent.Layout.fillWidth = true;
         parent.Layout.preferredWidth = Qt.binding(function() { return implicitWidth; })

imports/NeoChat/Component/Timeline/RichLabel.qml

@@ -20,7 +20,7 @@ TextEdit {
 
     ListView.onReused: Qt.binding(() => !hasSpoiler.test(textMessage))
 
-    Layout.fillWidth: Config.compactLayout
+    Layout.fillWidth: true
 
     persistentSelection: true