I hope they make it fun. I dont want to see a forced race classes like mentioned Thiefling Paladin. Technically they are infernal beings rare amongst regular people. But somewhere along the way they became not only more common in human dominated regions than humans, but they also started to become more notable personas in... human dominated regions.
We started having major merchants, artisans, underworld leaders and most notorius gangs as thieflings. In the end, thiefling from RP infernal being, became a regular human folk with halloween cosmetics.
The same is starting to happen to Half-Orcs, their Orcish origins, often making them brute, not really bright, also rather agressive and easy to provoke, but in Pathfinder, half-orc is an eloquent politician or lesbian paladin...
If we continue this, RACE will lose its RP value. We could literally remove all racial features and have everyone be generic. You will only have different art and different race description on character sheet. Rest is the same.
