Short description of error
Custom icons load extremely slowly, to the point of rendering template_icon_view's useless.
Exact steps for others to reproduce the error
- open UI_Previews_Dynamic_Enum template script and run it
- go the the properties panel and swtich to Object
- in the Previews Example Panel pick a folder containing images
- open the template_icon_view and watch it load one image every 3 seconds