Originally Posted by
doogald Yes, many people are reporting issues with apps closing in the background, sometimes seconds after you switch back from another app. I am not sure that rebuilding a phone from scratch will fix this - it sounds like either a bug in multitasking or a deliberate design decision. Hopefully, Apple will fix this soon.
Thankfully, I am not seeing that problem on my phone. (I don't have 13.2 on my iPad mini 4 yet.)
If it is a bug, it's not widespread. I've yet to experience any app closures, lags, etcetera on my iPhone 11 Pro Max to this point.