Technically blueray has a 'update mechanism' that newer films will require players to update to.
AVGN complained about it here: https://youtu.be/tetXKdi9U3c?t=400
"To play this Blueray, you must renew your encryption key"
Is that really a thing?
"To play this Blueray, you must renew your encryption key"
Is that really a thing?