That's a very good news as it's the best volume controller available to date.
It was first adopted by Soulution which was offering this upgrade for € 5,000.
Lumin updates today their firmware for free. Not so shabby !
Full article about Lumin amps and streamers upgraded with new volume DSP is available at :
https://audiophile-magazine.com/magazine/
Cheers,
Joël