What I have noticed over the years, it seems that the estate doesn't want it to be recognized as a Michael Jackson project, but as an estate project. Every single time when they have re-released the albums, released anniversary albums and other posthumous projects, they always want to make it their own. Changing the font of Off The Wall and Bad, wanting to change Thriller but got an immense backlash from the fans that they reverted it. Those changed covers of Off The Wall and Bad are btw even present in the Michael Jackson biopic, literally changing history. Remixing his unreleased tracks, not to finish them in a way Michael intended for them to sound like but a completely different "modernized" uptemo remix. Releasing a Thriller documentary, not about how the album was made but how much of an impact it had, which everyone already knows at this point. The probable reasons why there aren't any more anniversary reissues or posthumous albums is that they are not able to change much of those, too many people who worked on these songs are still alive and don't want the songs to be changed from a Michael Jackson to an Xscape production sound. I remember so many people actually approached the estate about releasing songs like will.i.am for the song "I'm Dreamin'" but The Estate simply declined, same goes for songs like Dream Away, Chicago 1945 and If You Don't Love Me, latter was actually finished up by Bill Bottrell in 2014 but was rejected by The Estate. I've heard multiple sources saying a new album consisting of songs from the Thriller, Bad and Dangerous sessions are being prepared for release on a posthumous album next year but for some reason, I can't really get excited about that anymore, rather I would like a box-set series like "The Michael Jackson Vault" focussing on each album's sessions, releasing work in progress mixes and unreleased songs and demos but I already know, The Estate won't do that because they can't change them. Thriller 40 was literally pushed by Sony Music to be released, that's how we even ended up with that album and with zero promotion (which Sony even wanted to do, but the estate declined). It is simply sad to see that the greatest artist to have ever lived is treated so badly, not just during his lifetime but even posthumously, money is simply being ripped off. All just so that Branca can increase his car collection.