There is no canon ending because the online dlcs are all scraps of SP dlc which were supposed to continue the story from every ending respectively. I don’t think that r* will ever really confirm which ending is canon just like they never revealed with gta iv unless you count Roman and ...
shall we say, the workout clearly punishing, but certainly looked fresher and fitter than a decade or so ago), it was a blast, the set inevitably ending with ’Anarchy in the UK’, still so fresh 48 years give or take a few weeks since it was first nailed in the studio at Wessex ...