Hi All, I know as lead dev I shouldn't be posting a work around (especially since we just launched 3.7.4), however, this is a work-around for the map update lag folks see when editing Fog of War. The fact is that I am working to fix this so you don't need a work around, but in the meantime!!! When using the Draw Tools->Fog of War, you can minimize the list of regions located below the tools by clicking the little down arrow to the upper left of the table. Using this will tell D20PRO to skip rendering that table/list and save you a lot of processing time (apparently). With the list minimized, you should see a 2x - 4x speed improvement while editing. From an official dev stand point, I'm aware of the memory/processing issue and looking for a solution. Soon as I've got it sorted, we should have a the speed improvements AND access to the table for editing purposes.