I encountered a weird issue with the RangeSlider component, it can't move to decimal value but always move to the the nearest integer value instead, while drilldown, I find it's due to the javascript input parameter is "Integer" which should be "Decimal", currently I clone this component in my eSpace and fixed it, hope OutSystems can fix it in the next release.
Perhaps you should published your fixed version to the forge as component which could benefit others who also require decimals?