I've tried it with a relatively simple CSV but it's struggling to parse dates, generating meaningful reports, etc. The UX for choosing which columns to include

I've tried it with a relatively simple CSV but it's struggling to parse dates, generating meaningful reports, etc. The UX for choosing which columns to include is cumbersome when you have more than a handful. I've cut down the CSV from 50MB+ to 6MB and it's still so slow.