First release scheduled for 2017.
The first such release is due out in 2017 and according to Newsweek the anthologies have “been divided into eras and will not necessarily be released in chronological order. It is not yet known whether they will contain previously unheard work, though past re-releases of Bowie’s work have.”
In addition, an album of Bowie’s off-Broadway play Lazarus by the cast is also in the works. [Via Consequence of Sound]