Still tubes for me mainly because I seem to average around 1 to 2 punctures a year and I’m light enough and enough of an xc mincer to run down to 30psi without ever getting pinch flats.
I don’t change tyres, I change wheels,
I change bikes, I have one for wet muddy conditions, Rohloff hub Pace RC31 forks Mud x tyres and hideous mudguards and another bike for nice days. I’d be tempted to go tubeless on that to save weight but I won’t do that till I’ve worn out the heavy wired tyres that came on it.