Internet Explorer x-active class not being assigned on mouse hover

[DABC]

Some of our clients are still using Internet Explorer (11) and we are seeing some strange behavior:
The website: abc.utah.gov

The top menu drop down only works correctly on the far left menu header (Licenses & Permits). The rest don’t. It looks like on mouse hover the ul tag should be assigned the x-active css class. In IE, the ones that don’t work DO NOT get this class. This must be a js issue?

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[nabeel]

Hi @DABC,

Thank you for reaching out to us. The sub-menu is actually a known issue in IE which is recently fixed in our unreleased version and is caused by a JavaScript error, Please stay tuned for the next update.

Thank you for your understanding!