I briefly went back to 8.5 to try something out. All of a sudden I could not find anything because the interface felt confusing.
That's funny. I've been using X1 pretty exclusively for several months now, and 8.5 still feels instantly more familiar and comfortable when I go back to it. You and I must have short-term and long-term memory acuity in inverse proportions.
SONAR Platinum x64, 2x MOTU 2408/PCIe-424 (24-bit, 48kHz)
Win10, I7-6700K @ 4.0GHz, 24GB DDR4, 2TB HDD, 32GB SSD Cache, GeForce GTX 750Ti, 2x 24" 16:10 IPS Monitors