I would love the ability to favorite symbols that I frequently use. I have uploaded many vector symbols to arcgis online - but trying to locate a symbol I had previously used is tedious.
I have uploaded symbols using this methodology: https://www.esri.com/arcgis-blog/products/arcgis-online/mapping/use-published-2d-symbols-in-arcgis-o...
To take it one step further- the ability to favorite customized symbols would be even better.