I always joke with "We figured out how to move from Python 2 to 3 but we still cannot figure out how to do IPv6" :). What a catastrophic failure it has been. Should we just stop using it altogether and retire or are there people still advocating ?
I expect as we get closer to the end we will see it pick up speed. Countries are now mandating IPv6 support as early as this month https://www.indiatimes.com/technology/news/india-sets-new-de...
Things are still moving forward, faster than ever at this point.