Custom Aspect Ratio Not Working

[amarantsnipersnake]

Game details

Final Fantasy VI SLUS-00879

Description of the issue/bug

how can i custom Aspect Ratio when i enter custom resolution nothing happen (nintendo switch)

Steps to reproduce

cant figure out how custom Aspect Ratio works

Software and hardware information

nintendo switch

DuckStation version

duckstation_switch_prerelease_2

DuckStation rendering backend

Software

DuckStation controller backend, drivers and wrappers

nintendo switch

Additional context

please help how to use custom Aspect Ratio