We've not seen what you are experiencing.

If you can contact support they can gather some information and maybe solve the issue for you.

https://esupport.stardock.com/index.php?/default_import/Tickets/Submit

Yes,  to switch of this feature is one solution so far even on 3.05 Beta..

Simple switching off Fences completely: Wow the old fast double click is back! In other words fences does some additional processing/hooking what is not required at all  

This happens for me as well and started immediately after the Windows 10 Creator Update.

I have tick-boxes enabled for my icons, so I do know if I clicked them or not. Double-clicking an icon sometimes (but not always) does a hide on a desktop even though it got ticked with the first click. The mouse pointer is definitely over the icon.

Also seeing a delay with double-clicks when applications do open, maybe 1 or 2 seconds before anything happens. That is the same for any icon, including This PC and was previously much quicker. If I double-click that same icon through an Explorer window then it is instant, so it does appear to be a desktop / Fences related issue.

I've turned off the show/hide option because that issue is extremely annoying. That does not have any effect on the delay.

Please see here: https://forums.stardock.com/482728/Clicking-lag-on-desktop-after-updating-to-Windows-10-Creators-Update