Previously if you pasted a texture or decal into a part, Studio would allow you to select which surface to paste the part onto, similar to the way the Insert menu inserts decals. Now Studio just drops them into the part, forcing you to go into the decal’s / texture’s properties and manually select the face it gets applied to.
Additionally, pasting decals / textures into workspace would allow you to choose which part to apply the object to a la Insert menu. I don’t know how long ago this broke or was intentionally changed (which if that were the case, why…?) but it’s been a pain in the neck for a while.
Windows 10, Studio v0.259.0.85517