>>943
M1 MacBook AirだけどBig Sur 11.2でも8bit/ch RGBカラーだが、ほんとにM1 miniはRGB10bit/chになってるか？
Apple M1:
Chipset Model: Apple M1
Type: GPU
Bus: Built-In
Total Number of Cores:
Vendor: Apple (0x106b)
Metal Family: Supported, Metal GPUFamily Apple 7
Displays:
EIZO CS2730:
Resolution: 2560 x 1440 (QHD/WQHD - Wide Quad High Definition)
UI Looks like: 2560 x 1440 @ 60.00Hz
Main Display: Yes
Mirror: Off
Online: Yes
Rotation: Supported
Automatically Adjust Brightness: Yes

Intel mini 2018では
Framebuffer Depth: 30-Bit Color (ARGB2101010) の項目がある

Photoshopでも30bitカラーはグレーで選択できないが…