I agree that the current Export As function is needlessly tedious. I have a doc with about 200 layers, about 160 of which are intended to be exported as assets. I either have to manually go through the list and select which layers I want -- which is time consuming and prone to error. Or, I have to resort to hacks to remember which ones I want to export. If I use the old method of appending '.png' to the end, I can search for that, but then I get a ".png.png" at the end of every assets and I have to fix that. It's a royal pain.