Came to the US, co-founded company, raised a seed round.. all during a pandemic
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IDK about others experience, but I got positive response just 3 days after submitting my application.
For what it is worth, my application was prepared by a law firm, included dozens of high profile references, and couple of hundred pages detailing my achievements (previous startups, software projects & articles).
I don't know what others apply with, and I definitely felt nervous, but it went through a lot more smoothly than I was expecting based on everything that is said in media.