After T74541, per the discussion at https://it.wikipedia.org/wiki/Wikipedia:Bar/Discussioni/Permesso_di_editing_agli_IP_nel_sito_mobile_-_fine_della_sperimentazione , there is (so far) unanimous consensus that the setting should be made permanent.
I've briefly summaried the outcomes, as we know them so far, at https://meta.wikimedia.org/wiki/It.m.wikipedia.org#Evaluation