There are quite a number of cross-platform GUI libraries out there, and they've been options for decades, without performance loss. AFAIK, the only thing that

There are quite a number of cross-platform GUI libraries out there, and they've been options for decades, without performance loss. AFAIK, the only thing that Elecron brings to the equation is the ability to use web languages that more people are familiar with to work in it, instead of yet another language. This trade-off came with a pretty huge downside in the form of a bloated parser though.