Issue:
Lagging on typing email for logging into account. This issue happened also on other phones and previous versions, such as iPhone 7, iPhone 6s. You will start typing and suddenly you type and nothing appears on screen, like it is frozen, until after some seconds, all letters will appear on screen.
Details to reproduce:
OS: iOS 13.3.1
Device: iOS 12 mini
App Version: 5.15.0
Screenshots: