Action! doesn't detect games that are running on DX12 anymore!
I don't know what version it was that killed it, because the only two DX12 games I have is Hitman and Tomb Raider which I stopped playing due to performance problems, both of which had Action! record in DX12 just fine a few months ago.
CPU: Intel Core i7-4790k
GPU: R9 Fury X (16.7.1)
RAM: Corsair Vengeance 16GB
OS: Windows 10 Pro 64bit