To find these things just have a look in the docs for the version mentioned (v6.3) and goto "Release Notes - Deprecated Features". At the bottom you find the following link
There's additional info for NOT using Get-WmiObject -class Win32_Product (https://support.microsoft.com/en-gb/help/974524/event-log-message-indicates-that-the-windows-installer-reconfigured-al) as it does the same as WinHostMon://Application did: reconfiguring applications.
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