Are the events of the adventure Dead In Thay were considered canon?

The relationship between Myrkul and Velsharoon

What exactly is a “divine spark” and how can people acquire one?

What happens to the souls of non dwarves who worship the dwarven pantheon, or are adopted members of a dwarven family?

Would you mind pointing out the Yawning Portal for us?

What is the numerical address of the building on Spindle Street in Waterdeep circa 1375 DR?

I’m having trouble finding out what kind of criminal code Baldur’s Gate has, what kind of laws surround magic in the Gate?

Shar apparently made the Shadowfell, is this different from the Shadow Plane we used to be familiar with?