GadgetBugFix is a simple addon that fixes/works around several different annoying UI bugs present in Wildstar's engine/UI which are unlikely to get fixed otherwise. It fixes the following:
Gadget bug
As the name suggests, the addon attempts to prevent the gadget bug from occurring, or if it does regardless, does an API call that fixes it immediately. Does not actually equip/unequip any items and is fully automatic, so should be fully compatible with any gear or spec managing addons.
HTCC bug
Hold-to-continue-cast bug occurs when an in-game cutscene or zoning happens when casting a skill (the ability is "stuck" casting). The addon resets HTCC whenever a character zones, as well as when the esc key is pressed. Also adds a convenience slash command /htcc in case anyone wants to bind it to a macro.
Stuck tooltip bug
Stuck tooltip bug happens when a (usually buff) tooltip gets stuck on the mouse, and prevents right- or left-click (or both). The cause is a bug in the UI engine, in which child windows outside a parent window with the noclip property set keep firing events even outside the child object's extents. The most common cause is Carbine's TargetFrame addon, this fix hooks into it and fixes the buff bars. Unfortunately there is no general fix for all addons, but this should fix the majority of occurrences. If TargetFrame is overridden by a custom addon, then this part does nothing.