G_Christopher_Faux_vFmq, Jan 1, 2019 : I'm currently running the latest 5.0.8 on my OnePlus 3 and have noticed an issue. I have noticed the issue more on Google inbox but it does the same on various other apps. For example I choose not to optimise Google inbox, because if I don't I don't get notifications and it fails to sync. But every time the app updates it reverts back to being optimised again. I only notice this when I fail to get any emails so I open the app and suddenly it syncs and I get 40 emails! So once again I go too battery and choose " Don't Optimise". Has anyone else suffered with this problem?