You should use canonical tags to indicate the primary Edition of the webpage to engines like google. Plenty of hreflang mistakes originate from using canonical tags and hreflang characteristics jointly incorrectly. This simply will not likely work. Combining the canonical and hreflang attributes into one link tag might sound just https://socialbuzzfeed.com/story4275971/the-smart-trick-of-hreflang-not-using-canonical-that-no-one-is-discussing