Justin Trudeau has said he favors electoral reform before and hasn't done anything.  Perhaps this time will be different.  He seems to favor having Canada get rid of its first-past-the-post electoral system and replace it with RCV:

Liberal Leader Justin Trudeau said Saturday that he remains open to getting rid of Canada's first-past-the-post electoral system if his party is re-elected, but added that it's not a priority since there's no consensus on the issue.

Trudeau said, however, that he would not favour proportional representation as an alternative, saying the system "gives more weight to smaller parties that are perhaps fringe parties."

Trudeau instead expressed his preference for a ranked ballot system, saying such an approach contributes to less divisive elections.

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