Plus ça change:
A short form (specifically, an anapodoton) of French plus ça change, plus c’est la même chose (“the more it changes, the more it’s the same thing”). [Wiktionary]
Noted in “There’s a new kind of superfood – and it’s not what you think,” Michael Le Page, NewScientist (26 May 2018, paywall):
The arrival of a generation of GM crops with clear benefits for consumers should be big news. But far from helping to win over hearts and minds, it seems few people will even realise what they are eating. Plus ça change.