The changes to humans have to be intentional to get people to not play them. Dark vision alone is better than all of the trash they gave humans and every race with dark vision has multiple other racial advantages.
Its good for bladelocks, clerics and any full caster who wants be be able to do decently in melee.
We also know race will be important for magic items.
All it takes is one really good magic item for that race and people will plan builds around them