- I purchased Artisan Riding but I can't fly faster than 150%
- I had Artisan Riding before Shadowlands, I should have Master Riding now
- I got a mount that used to require Artisan Riding, and now I cannot use it
The Artisan Riding skill that allowed flying at 280% speed was removed with the Shadowlands pre-patch. You can now fly either at 150% speed with Expert Raiding or 310% speed with Master Riding.
Having Artisan Riding before it was removed doesn't grant Master Riding, but retains the ability to fly at 280% speed. If you want to fly at 310% speed you must purchase Master Riding. There is no gold refund or compensation for having purchased Artisan Riding before it was removed.