I don't know if this is related to account adjustments for stables testing purpose but I have different level and exp amount on v1 and v2 pages. I've been levelling up from 8th to 30th level with much higher exp count on v2 pages while had level 30 on v1 pages.
After I reached level 30 on v2 both v1 and v2 exp and level got even.
Here's a video: