I went tubeless in Jan, DTswiss 420 rims (standard on spesh bike), gorilla tape, valve cut out of old tube and homemade jiz, no problems seating tyres (compressor at work) , been fine ever since.(Ground control tubeless ready tyres BTW). .
Retro :1991 Muddy Fox Alu Pro owned from new n retired due to crack
95 Orange E3 , gone but not forgotten .
97 Kona Lava Dome now with disc mount and painted pale pastel green.
Modern :Cotic Soul frame with mismatch componentsbut it's brill
Stroppy old git