Draft: [DO NOT MERGE] Incremental diff of switch FIX_1419_SPATIAL_UMX
This MR only serves to show the diff if FIX_1419_SPATIAL_UMX is introduced on top of FIX_1419_MONO_STEREO_UMX.
This MR only serves to show the diff if FIX_1419_SPATIAL_UMX is introduced on top of FIX_1419_MONO_STEREO_UMX.