2017-02-22, 04:24
Yes, you need to disable 'Sync playback to display' to get passthrough but you can enable 'Adjust display refresh rate' and you are sync again, but you need a supported display for the refresh rate you want to use.
If you want to tweak the refresh rate you can use Custom resolution utility (Windows only).
If you want to tweak the refresh rate you can use Custom resolution utility (Windows only).