We just fixed an issue with the YouTube homepage not loading correctly – if you were seeing an empty/blank homepage or only a few videos showing up there, please refresh your browser or app and it should be working now. Thanks for all of your reports and your patience!
Once you hit your milestone, it can take 1-2 months for the code to be ready. You'll be notified in Creator Studio as soon as it is! Also, here's more info about verification badges and the eligibility criteria for the same: https://goo.gl/1rXovi .