Joshua,
Starting Davinci Resolve 16, we have moved to user-specific preferences based on your desktop login.
In the support page (under Read More) and in the second tab in the DaVinci Resolve installer, you can find the release notes summary - please take a look at the explanatory notes for Per OS login preferences andsettings.
An example of the old and the new paths is shown in this FAQ under database:
viewtopic.php?f=21&t=90190#21 As for placing your macros, please place them under the new path and verify that your Fusion Settings pathmap is looking at the right location. See page 1347 under Fusion Settings in the manual for more details