So if I leave the app in the background doing it's downloading every now and again I'll open the app to chalk progress whether it's an app in the background or if I've locked the phone with the app open directly, and it will either reload the torrents up to the point it crashed, or it will crash the application and I have to open it again, to get the downloads to continue.

Some details:

Phone Type: IPhone 11
Background refresh, is enabled for the app
Power save mode: Sometimes enabled in cases to save battery, which I am aware does disable background app refresh for the duration of it being active.
App Version: latest from GitHub
iPhone Version: 17.5.1