Lightforge Boot drop rate bugged?

WoW Classic Season of Discovery
1

I’ve been doing Strat live for for 2 days, I just hit run #17 and they still haven’t dropped. What the heck is going on?

Edit: Run #18 no boots
Edit: Run #19 no boots
Edit: Run #20 no boots

2

Saw them on my only run of strat live so far