I have a feature layer with unique type symbols. The symbols display correctly on the map, but are all grey dots in the Editor pane.
This problem applies to AGOL Map Viewer (Editor), Field Maps (Collect button), and Experience Builder (Editor).
This is how the layer symbology is configured:
Hi @ConorFlynn
It looks like you need to update the templates to match the styles in your map.
Click Configure editing > Templates > Update.
This article goes into more depth on managing templates https://www.esri.com/arcgis-blog/products/arcgis-online/data-management/templates-faster-editing-oh-...