Are there any plans to bring the WSUS console into WAC as a plugin, reflecting most of the features, including the ability to import updates?
Most of the actions in the WSUS console should be underlying PowerShell commands, which would be the qualifying thing for this task, imho.
There are still a lot of customers that rely on WSUS and do not leverage ConfigMgr (due overhead, licensing, TCO) or WuFB (cloud use restriction policies), missing ability of WuFB of managing Windows Server.
I am not aware if WuFB can now also manage Windows Server 2012 and newer and gather the update status in a dashboard, as it does for Windows 10.
If this is a limitation it should be considered to offer a single pane for free* of modern management as a whole pendant to WSUS.