I've got the same issue with stacking things as you, not only for alarms
but changing lighting options, as an example setting all lights to
daylight and 100% brightness. Worked perfectly fine until voice commands
stopped working with changing colors,...
It worked yesterday morning for me, now I'm suddenly having the exact
same issue since yesterday afternoon. It can turn lights on and off by
voice, it can change the brightness by voice, but if I ask it to change
to a specific color, apparently it do...