@tfoldi
https://tableau-tracker.starschema.com/
Mac
defaults write com.tableau.Tableau-2018.2 Debug.FeatureOverrideOff Extensions
Windows
Debug.FeatureOverrideOff registry key must be set to "Extensions" in HKEY_LOCAL_MACHINE\SOFTWARE\Tableau\Tableau<version>
undocumented
Developer website: https://developer.tableau.com/
Extension Gallery: https://extensiongallery.tableau.com/
Extensions on Github: https://github.com/tableau/extensions-api
Extensions security: https://onlinehelp.tableau.com/current/server/en-us/dashboard_extensions_server.htm#Test