Front end dev here. The main issue I have for now is that whenever I hit CTRL Shift C to open the console, you can clearly see the thing draw itself for nearly one full second. It would be fine if it somehow cached, but if you close it and open again, same delay.

Short of being able to optimize it soon, perhaps you could try buffering and displaying it at once. It would look less clunky and flimsy.

That said I'm giving FF57 a run as my main browser, will keep using Chrome Dev Tools for now.