The Kunena team has announce the arrival of Kunena 7.0.4 [K 7.0.4] in stable which is now available for download as a native Joomla extension for J! 5.4.x/6.0.x. This version addresses most of the issues that were discovered in K 6.2 / K 6.3 / K 6.4 and issues discovered during the last development stages of K 7.0
Solved
Possible to downgrade from version 4 back to version 3.X
810 wrote: Normal downgrade isn't possible, but you can remove the k4.0.0 on the kunena_version table in your database.
you need to remove that row. Then you need to install k3.0.8 again.
Thanks so much for the guidance. The above instructions worked perfectly and I am back to 3.0.8 until Tapatalk gets their plug in updated. A true lifesaver and I learned a bit more about under the hood!