So older quests now have SP rewards. For example, I learned A Hypocritical Oath now has 1,620 SP as a reward also in addition to the original.

Welp, now my list is even more incomplete. ;_;

Quest: Shot Through the Heart
Client: Mynadaeg
Classes: Disciples of War or Magic, Rank 21
Reward: ~1,401 Skill Points; 10,000 gil
Location: Limsa Lominsa, Upper Decks, Coral Tower (6,2)