I wasn't using the Members plugin for too long before I upgraded to WordPress 3.5 and then, days later, upgraded to the latest version of Headway themes.
After upgrading WP and Headway I didn't see any issues. But I can't say for sure if I looked specifically for the Headway functionality - the Headway visual editor grid view, design view, tools, etc. The dashboard editors, tables, widgets, everything else looked fine.
The Headway menus and sub-menus are nowhere to be seen until I deactivate the Members plugin. Then these menus (dashboard left sidebar and the WP bar along the top) reappear immediately.
Can someone help? I CANNOT change themes and I want to use this plugin to give me granular control with users. But right now, it locks me out of all Headway theme functionality totally.