Elipse and Rectangle Mask tool not add keyframe automaticlly | Can't ducking for Music?

Elipse and Rectangle Mask tool not add keyframe automaticlly after I change position or size.

Can't generate keyframes in ducking?

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System info
    Application: Premiere Pro (Beta) v26.0.0.14
    OS: Edition Windows 11 Pro Version 25H2 OS build 26200.6901 Device name Totoro
Processor Intel(R) Core(TM) Ultra 9 285K (3.70 GHz)
Installed RAM 128 GB (127 GB usable)