This changes with Windows 10 May 2020 Update:
If a system is blocked due to a known issue, the user will see the following message on the update page:These systems will need to wait longer as Microsoft needs to resolve the outstanding issues first.
The Windows 10 May 2020 Update is on its way. We’re offering this update to compatible devices, but your device isn’t quite ready for it. Once your device is ready, you’ll see the update available on this page. There’s nothing you need to do at this time.