On the newest UA Subclass Revisited, the Wizard gains the ability to change the damage type of spells they cast for the damage type of other spells they have in their book.
Is this applicable to Cantrips?
Role-playing Games Stack Exchange is a question and answer site for gamemasters and players of tabletop, paper-and-pencil role-playing games. It only takes a minute to sign up.Sign up to join this community
The ability says:
When you cast a wizard spell with a spell slot, you can temporarily replace its damage type with the damage type of another spell in your spellbook, as your spellbook magically alters the spell’s formula for this casting.
Since cantrips do not require a spell slot they are not affected by this ability