Extreme battery drain
I had an enormous battery drain the last time. Briar took about 25% of the entire power and my phone was out of energy within a few hours. My friend had the same problem with a Motorola Razr I with CyanogenMod (I think it is version 12). Because of this fact we decided to remove Briar until the Bug is fixed... :-(
I use a Samsung Galaxy S5 mini (G800F) with Lineage OS 14.1.