Right so for some reason the promo items (welcome vouchers and launch day promo drops) aren't working and I'm not sure how to fix it at the moment so I'm reducing the time needed for a voucher from 15 minutes -> 2 minutes for now! Sorry!
Source: Steam Community (opens in a new tab)
Build and release context
Recorded Steam release date:
Within one calendar day of this post (UTC). The listed date does not establish an exact launch time.