When will you let Clerics get Sunbeam on their list?

When will you let Clerics get Sunbeam on their list?
(But for real would it break anything by adding it to their list?) It's a little blasty for the base cleric list, which isn't the cleric bag for their spells in general.

The request is known, however.

— Dan Dillon 👥 (@Dan_Dillon_1) January 20, 2020