XANATHARs!
I’m collecting all tweet answers on Xanathar’s Guide to Everything, they are more than 140!
Just check this link tag:
https://www.sageadvice.eu/tag/xanathar-guide-everything/
You’ll find official answers from Master Jeremy Crawford, advice from Master Mike Mearls and Chris Perkins, dndBeyond Interviews and much more.
Check for daily updates!