I agree that Jira is too complex, which makes it slow. It's also way too customisable at the project level, so moving to scaled agile is hard because of it. Honestly, it's easier to start again if you want to be successful with SAFe.

If Atlassian wants to be profitable, they need to replace their founding CEO's. Mike and Scott have done well to grow the business, but the required skillset is different from this point on. Mike in particular seems to be very distracted these days.