perfect0sky Hmmm, I think your suggested feature would be confusing, so the answer would be that if you just want to see what's in that Spine project, you should use the trial version. It is explained in advance on the purchase page that the ESS version cannot use meshes to begin with, so anyone who purchases a Spine Essential license should have understood that and installed Spine ESS. You should purchase a Professional license if you know in advance that you will be working on a Spine project with mesh attachments. (If you already have an Essential license can upgrade to a Professional license for the difference.) This seems to make more sense to me.