Will Xanathar’s inculde subclass options printed in Sword Coast Adventure Guide?

Is Xanathar’s Guide to Everything not necessarily in Forgotten Realms?

Why are you reprinting materials you’ve already sold?

…but is there any NEW subclasses in Xanathar?

Xanathar’s Guide to Everithing New subclasses or the UA subclasses, polished to a high shine?