I noticed something in the #DnD5E14 Players Handbook that I think should be changed, but since I don't have the #DnD5E24 PHB, I'm not sure if they addressed it or not.
Fighters get class proficiency in STR and CON saving throws. I play a DEX Fighter with Finesse Weapons. I think it makes sense to allow a Fighter to pick either STR or DEX, depending on their fighting style. As a DM, I would allow that, as a choice at character creation time.
