Very fractionally off topic, as this isn't about the BD release, but I'd noticed that this film had appeared on Prime Video recently (or perhaps it had always been there!). I've never seen it before so it has been added to my watchlist.
I've no idea where they've sourced the film from, though, so it may well be significantly inferior to the BD with respect to picture and sound quality. It's bound to be "worse" due to it being compressed/streamed.
And of course this isn't an option at all if you're after the extras!
Mastroianni is (Fellini's alter ego) a filmmaker who is hit by 'director's block' and finds no story to tell in his new film! Harassed by producers, mistress and wife, while struggling to find inspiration for his film, he retreats in dreamy memories of his life and lovers, until the director...
www.amazon.co.uk