The new minigun model includes a suppressor, which quashes 99% of muzzle flash and significantly diminishes the concussive effect of firing the weapon— a crucial intervention for preventing operator concussions and traumatic brain injuries.
https://www.thefirearmblog.com/blog/2024/01/28/shot-2024-dtv-arms-redesigns-minigun/
TFBtv: [6:11] https://youtu.be/ywF0gW2acAU?si=
It being fired skip to 1:05 https://youtu.be/Z71lPUNa2XE?si=
Kind of hiding the ball that this redesigned gun is 45% lighter than the M134, and it uses polymer linked ammo.
Like the article says, very tailored towards air use. It does look quite attractive in that regard.