Across all the Dragon Ballanime, numerous evolutions of the iconic Super Saiyan transformation have been introduced. Even with the number of them having grown into double-didgits throughout Dragon ...
It’s the same issue Goku had with the transformation. Super Saiyan 3 Vegeta has a lot of power, but it’s not a form that he can sustain for long as it drains more of his stamina than the other ...
Instead, Goku mentions to Vegeta that he got the new form just by training after beating Buu. There’s no mind-wipe, either, leaving the canon status of Dragon Ball Daima up in the air.