Microsoft Publishes the contents of each Windows 10 update to allow for you to review and understand what is contained there-in.

With the forced updates and limited ability to delay updates it's more of a retrospective "What we did to your computer" page.

It also describes what is contained in each periodic software update as Microsoft Windows 10 now has a March / Sept Feature release update (Like the Ubuntu new OS every 6 month release cadence)

For the details see here

https://support.microsoft.com/en-us/help/4555932