unreleased
/ˈʌnˌriːˈlɛst/Definitions
1. adjective
not yet released or published, especially a movie, song, or other work of art
“The highly anticipated unreleased film has been generating buzz in the entertainment industry.”
2. noun
a movie, song, or other work of art that has not yet been released
“The unreleased tracks were leaked online, giving fans a sneak peek at the upcoming album.”