Hi there,
The duplicate ID issue is a known issue with our sticky navigation when set to fade/slide.
If it’s a big issue, you can set the transition to “None” for now until we fix it. The issue comes from the navigation having to copy itself when set to “fade/slide”. We haven’t fixed it yet as we’re trying to rebuild the entire thing in vanilla JS.
As for event delegation, I don’t think it actually applies to the menu items as it’s highlighting there. Those events shouldn’t have to be delegated, as the links exist on the page when it loads. I’ll do some more research on this.
Thanks! 🙂