I made a slider instant app and the labels are blinking when the slider is running. I tried going the experience builder route to build the app but labels are still blinking. The only instance where they don't is when I use MapViewer to view the map.
Here is a link to the instant web app:
https://pdxedu-admin.maps.arcgis.com/apps/instant/slider/index.html?appid=78b206c94ddb42ffb5fe874c19...