Found the setting using ccsm to manually make this happen. In the experimental tab of the unity plugin turn the "Launcher Reveal Pressure" setting to 1. I assume that the sensitivity adjustment slider in the system settings changes the "Launcher Reveal Edge Responsiveness" from 1-8, which the tooltip says is a "conglomerate setting". Maybe you should refactor that conglomerate.
Found the setting using ccsm to manually make this happen. In the experimental tab of the unity plugin turn the "Launcher Reveal Pressure" setting to 1. I assume that the sensitivity adjustment slider in the system settings changes the "Launcher Reveal Edge Responsiveness" from 1-8, which the tooltip says is a "conglomerate setting". Maybe you should refactor that conglomerate.