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This page https://www.amd.com/en/support/kb/faq/dh-017#SGApplication has some info about setting the AMD drivers to high performance mode for recent apps. I don't have an AMD card so I'm not sure if it will work for you.
I have the same issue.
Since it didn't look like it was updating the mods folder, I moved the contents of the folder and re-ran the upgrade. The upgrade copied in new files but the version numbers for those files were all from Revelation 3.3.0.