From Harmy’s superb youtube channel…
‘Comparing a v3.0 finished shot with v2.5, UHD BD and 4K77’:-
www.youtube.com/watch?v=FvCt_z2p4y4 - a 1 minute video
'Harmy Despecialized Sunday Live Stream 15:-
www.youtube.com/watch?v=MitV_KU6SQs - a 1 hour video (with some intriguing work being done by Harmy).