New
#790
I can see a case for the history being deleted after a major feature update, none of the previous KB's will work anymore, [as they should have been incorporated into the new build, or were only temporary stop gaps], so why list them
It'll be listed in Programs and Features > Installed Updates instead. :)
Windows 10 Insider Preview Fast/Slow/RP Build 17134.5 - April 27 Insider - Page 79 - Windows 10 Forums
How to determine if a specific KB Windows update has been applied to your computer
https://www.interfacett.com/blogs/how-to-determine-if-a-specific-kb-windows-update-has-been-applied-to-your-computer/