I'm probably not the target audience for this, but "Google Sheets-like performance" does not sound like a selling point to me.
Historically, their performance has been downright awful (especially in non-Chrome browsers).
Historically, their performance has been downright awful (especially in non-Chrome browsers).
You get to feel a certain kind of pride when your bootstrapped business product has better performance than the multi billion dollar company product.
Of course, nowhere near the amount of features G sheets has.
How many rows do you usually manipulate at the same time?
If you have highly interactive data in cells, (eg: svg graphs), scroll performance can be improved by enabling `snap`. With this only one row/column will scroll at a time.
Maybe not performance, but responsiveness ? The UI was lagging.
It was in Firefox, a few years ago, and I never went back to it.
MS Office 2010 is much snappier.