A few months back I was working on a Javascript frontend for a large dataset using Tanstack Table. The relevant constraints were: Up to 50k rows of content Grouped by up to 3 columns Using react and virtualized rendering, showing 50k rows was performing well. But when the Tanstack Table grouping feature was enabled, I was seeing slowdowns on a few thousand rows, and huge slowdowns on 50k rows. It might have gone unnoticed if it was 100ms slower, or even 500ms slower. But in the worst case ren...
