Nice work! I noticed that you're using a web-worker, does all the heavy lifting happen there and the main thread is used for purely rendering? I'm noticing so

Nice work! I noticed that you're using a web-worker, does all the heavy lifting happen there and the main thread is used for purely rendering? I'm noticing some lag when I just press enter into a cell twice (once to get into edit, and then again to get out). Any idea what's going on there (I'm interested technically)?