Hi, Using Revit 2018.3 and I have come across a bit of an issue when trying to apply parameters to a window family. As you can see under the `other` section of Properties section there are 7 check boxes. If I click on one the greyed out Apply button becomes active however, it greys out again if I am not quick enough to click Apply and the settings revert back to the initial selections. The time varies from having to hover over Apply and have lighting reactions to click the button as soon as it turns solid or a max of maybe 1 second. Graphic Hardware acceleration is set to on and you can see the other setting in the below image. Also, I have attached a short Team screencast between myself and a colleague who is also stumped as to why it is happening.
