@Justin_Axure Same as @spiritjp here, my browser is Safari 12.1.2 as well, and it’s working correctly in Chrome
BUT i’ve found sth interesting. If I open the developer console (don’t need to do anything), the issue is magically resolved.
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Not sure this is an issue from Axure side or Safari browser itself, coz in Safari forums, have some posts reporting the scrolling bug with Safari iframe component, which happens to be the root container in Axure