forums.wsusoffline.net

Should this be included?
https://support.microsoft.com/en-us/kb/3109118

I know 4.0 is already included (KB2819745)

I'm sure 5.0 will be included, but it sounds like they have been hitting some hiccups with that (outside of Windows 10)
https://blogs.msdn.microsoft.com/powers ... ad-center/

Sorry, according to KB3109118 this is a hotfix (so far), which has no public download address, so it can't be integrated in WOU.