Faiths of the Forgotten Realms 3 recently released from Micah Watt. This is the third supplement that looks to add a bit more depth to the gods of the Forgotten Realms in Dungeons & Dragons. This includes 24 new subclasses, 12 spells for arctic conditions, 17 magic items, and 11 holy books. There are bits of lore, character motivations, and roleplaying hooks as well for the 11 gods that have been chosen.
You can purchase Faiths of the Forgotten Realms 3 from DMs Guild for $11.99.