Sounds like the cause for this immense non-performant behavior is less the fault of SwiftUI and more of VIPER:

https://twitter.com/xpereta/status/1571046743793610752

„There‘s a lot of wrappers, but don‘t worry, everything is generic.” #nsspainx

Love this talk from Matias Villaverde and Rens Breur on SoundCloud’s SwiftUI rewrite

“And then Apple emailed us that we’re 10 times slower than the competition - with a link to a guide how to implement UITableView - this was the highlight of my career.” #nsspainX