Been using for a long time off and on, but my experience wasn't the same. It did have bugs, I reported a couple of them. Pinning tabs was quirky, some behaviors were quirky, some pages didn't load right for online apps.
Of course it didn't have integration with LastPass for a long time so that alone prevented me from using for anything serious.
I think it's fine to have a browser that really cracks down on ads, but I consider it more of a utility browser, I just couldn't use it for regular work.