Missing useful keyboard shortcuts in Photoshop

I have Photoshop 26.12.0 beta for Macintosh and am amazed: in the ‘Selective Colour Correction’ and ‘Hue/Saturation’ settings, you used to be able to select the colours to be adjusted using keyboard shortcuts, e.g. command+4 for yellow. In the latest beta version, this option is disabled or no longer available, and the settings windows look different. What is going on?