https://wccftech.com/ios-13-4-vs-ios-13-3-1-speed-test-comparison-on-iphone-video/

Here is a iOS 13.4 vs iOS 13.3.1 speed test comparison on the iPhone SE, iPhone 7, iPhone XR and more. Any guesses which one is faster?

Apple released the iOS 13.4 software update for all compatible iPhones and iPads just last week. Apart from the new features, including proper trackpad support for iPad, Apple also mentioned that the update includes bug fixes and performance related enhancements too, meaning everything should feel faster once you install the update.