Hello. I tried to start mining XEL via Rigel 1.18.0, Win10 on rigs with 8 P104-100 8GB. On drivers 512.15-519 hashrate ups to 93 kH/s-100kH/s, but after driver update above 522.06 up to 556.12, hashrate falls to 83-87 kH/s. I will be grateful if you solve this hashrate problem on 522+ drivers.