"The following plugins could cause problems during the upgrade"

[cmirnow]

In my opinion, this warning has the potential to scare off Joomla site administrators. What do you think, @eworkers? Perhaps this needs to be fixed?
If you think otherwise, please close this issue immediately.

[eworkers]

It appears that joomla 3.10 try to look for a published release on JED to validate compatibility, for the moment we think there is no fix for this, a k2 version declaring J4 compatibility should exist on JED