Some people are getting the UI3 or Figma AI betas at this time and the waitlist quickly reached capacity and all available slots are now filled. I got early access to UI3 which is great for me since I love the new interface, and this change will roll out over the coming months.
In addition, the old Figma UI2 is the previous Figma’s design language and system.
Based on the information provides, you can send feedback to Figma by clicking the “?” and hit “Submit feedback” and fill out much details as best as you can.