• Significantly improved Ergo (Autolykos2) performace on AMD Vega GPUs (up to 15%);
• Improved performance for ethash algorithms family (ETH, ETC, UBQ, etc) on Nvidia Turing family (up to 0.4%);
• Added optional config paramter validateShares for checking ethash algorithms family shares on CPU (off by default);
• Added functionality: showing share difficulty for ethash algorithms family on Nvidia and AMD GPUs; validateShares should be on in order to see share difficulty on AMD GPUs.