Any viewer of data that has 50,000 elements in it has this many items with a scroll wheel. It doesn't matter if it's on the screen at the same time, this is the kind of thing that the UI is supposed to be abstracting away from you; you just describe the UI and the renderer makes it appear on the screen. Example apps (not built with Ink, just some that fit into this category): less, https://fx.wtf, sqlite...
And this is why React apps end up with bad performance by default. Doesn't crop up in simple tests and light usage, but the bad scaling will catch up with you when you deploy to production.
And this is why React apps end up with bad performance by default. Doesn't crop up in simple tests and light usage, but the bad scaling will catch up with you when you deploy to production.