I am having the same issue as you, I have two payouts under review for over 40 days combined. I contacted them, they informed me that I had to renew my tax information and reply to their email to inform them that I submitted a new one, I did exactly that 10 days ago, but so far I have not received a response.
Same problem here. 36 days in review, 26 since I updated the tax info (no warning signal, I just noticed it when the money decreased suddenly because of the 30% withholding), I've already sent two emails to support service without answer... Well, at least now I know it can take about 38 days to get solved. Thanks.