First attempt.

imports/Spectral/Component/Timeline/TextDelegate.qml

@@ -0,0 +1,23 @@
+import QtQuick 2.12
+
+import org.kde.kirigami 2.4 as Kirigami
+
+
+TextEdit {
+    text: "<style>pre {white-space: pre-wrap} a{color: " + Kirigami.Theme.linkColor + ";} .user-pill{}</style>" + display
+
+    font {
+        pixelSize: Kirigami.Theme.defaultFont.pixelSize * 1.2
+        family: Kirigami.Theme.defaultFont.family
+    }
+
+    color: Kirigami.Theme.textColor
+    selectionColor: Kirigami.Theme.highlightColor
+    selectedTextColor: Kirigami.Theme.highlightedTextColor
+
+    selectByMouse: true
+    readOnly: true
+    wrapMode: Text.Wrap
+    textFormat: Text.RichText
+}
+