Microsoft removed this feature in Windows 10 October 2020 Update

Windows 10 October 2020 update known issues

Microsoft yesterday announced the general availability of the Windows 10 October 2020 Update. This new update comes with some new features including the streamlined design for the Start menu, improved Alt + Tab experience and more. You can find the complete list of new features that are available as part of Windows 10 October 2020 update here. There are some known issues as well, you can read about them here.

Occasionally, Microsoft removes features and functionality from Windows 10 because of several reasons. With Windows 10 October 2020 Update, Microsoft is removing MBAE service metadata feature. The MBAE app experience is replaced by an MO UWP app. Metadata for the MBAE service is removed.

Source: Microsoft