I wonder if it's because of the rising support or Quebec independence.
https://www.msn.com/en-ca/news/canada/quebec-premier-fran%C3%A7ois-legault-to-resign-won-t-lead-his-party-into-fall-election/ar-AA1Ud93d?ocid=msedgntp&pc=HCTS&cvid=696785fdc7b74a4389d1264b59580bd3&cvpid=ae26265e79764abb9eb06e9af6f80f0e&ei=8