Does the Pathfinder: Wrath of the Righteous GOTY contain everything that has been released for the game so far?

I ask cause the items from Pathfinder: Wrath of the Righteous - Commander Pack does seem to be listed on the product page. So I was curious if that was excluded or included.
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I think the commander's pack is for like digital art book, soundtrack, etc. and no I don't think that is included.

But in terms the actual game you'd be playing it has all the content.