Well done, glad you have 1.40 working good for yourself. I tried about 9 installs, strict measures each time and even unplugging everything (but not speaker wires) the last time, made no difference, though. Factory resets can help, doing so got rid of distortion (not constant, only in certain scenes) with Atmos tracks with my first 1.34 install. But installed 1.34 twice since and did not have to factory reset after install the latter two times.After doing a couple of factory resets in sequence and then reloading firmware 1.40, the issues I was having with Dirac seem to be resolved. The bass sounds very good now with DLBC not boomy at all.