New stuff came out, but I don't think it's worth buying. Kaby Lake is the result of a complacent Intel which hasn't had proper competition in the performance CPUs market for almost a decade now.
Plus, voltage issues with Kaby Lake are simply a series of recurring headaches as the cooler ramps up its fan and becomes annoyingly loud because default voltage is crazy high. I've seen default voltages as high as 1.34V at idle. Just, no. This issue not only heats up the CPU, but also the motherboard power delivery systems.
Your build is still current. The only thing that stands out to me is the power supply. Although a certain senior moderator who's also a power supply master has taken liking to the new CXM lineup by Corsair, I don't feel that the original low quality design was improved enough for me to recommend the newer model for a gaming machine.