In EasyEDA v2 I always changed shape of Netport-IN, Netport-OUT symbols for each project (they appear automatically in the project once you add them from the toolbar). 

After doing this, buttons on the toolbar used the symbols I edited, exactly like I wanted it.

However, in EasyEDA v3, toolbar buttons always insert default symbols. When I add a new symbol, the toolbar button does not use the symbol from project library and inserts a new one, with default geometry. As a result I have several symbols with identical name, and pasting synbols from the toolbar is unusable. Please bring back the functionality from v2.