There is a recent film with that name, so it may not be "our" UFO.
On October 18, "Clare Cross [via SHADO]" <
[hidden email]> wrote:
> Sounds like there could be an Australian release of UFO on DVD or Blu-ray on
> 5th December 2018.
>
>
https://stack.com.au/australian-release-dates-movies-tv/