“This change will not affect your ability to play Xbox 360 games or DLC you have already purchased. Xbox 360 game content previously purchased will still be available to play , not only the Xbox 360 console but also Xbox One and Xbox Series X|S devices via backward compatibility.”
I felt nostalgic and was playing Beatles Rock Band on my 360. The dlc I bought couldnt be accessed in-game or through my purchase history (which had a lot of content unavailable in it). Most other stuff was there it seemed.
From the Xbox announcement
“This change will not affect your ability to play Xbox 360 games or DLC you have already purchased. Xbox 360 game content previously purchased will still be available to play , not only the Xbox 360 console but also Xbox One and Xbox Series X|S devices via backward compatibility.”
I felt nostalgic and was playing Beatles Rock Band on my 360. The dlc I bought couldnt be accessed in-game or through my purchase history (which had a lot of content unavailable in it). Most other stuff was there it seemed.