Ponies and other Equestrians do actually have modesty taboos and any pony with a profession that requires frequent bipedal movement tends to wear pants. On that note Ponies and most Equestrian sapients only have short fuzzy coats except a couple strategic places where it is a little longer leaving most of their colored skin visible.
Ponies and pretty much all sapient species have an extended range of motion compared to most quadrupeds, enabling them to stand and walk solely on their hind legs as bipeds and use their forelimbs and hooves as arms with the same range of motion. The problem is is that the art of doing so is basically lost as it is uncomfortable for them to do so and even potentially mildly painful up until the
Changeling Magic Addendum: Uncursed 'Lings can push their magic past their normal mana pool due to their cursed heritage, but they are forced to satisfy the magic debt by eating emotions to replenish the accrued life energy debt as they feel the same hunger their cursed counterparts do until it is satiated.
Happy birthday!