D&D 5E Forgotton Realms Canon?

[Irennan]

I wouldn't presume that's the updated pantheon. I suspect they just listed all of the main FR gods.

That's a part of the FR updated pantheon (I recall Mearls saying on twitter that it's not the full one), some of the currently active or returned deities aren't included in the list (most racial ones, for example). Proof of that is that all of the deities in the list can be picked for their organized play thingy, which takes place post-Sundering.