Two clear bugs to report:
1) DR is not included when calculating incoming damage; it happens irregularly, sometimes DR works well, mostly it doesn't. I've found no regularities here.
http://imgur.com/FQ1DRx9
2) Companion accuracy is broken. My level 4 Kuna has 98 accuracy when he should have something around 40 (http://imgur.com/YW98RMQ), while Durance has 77.