When I hit "Save Changes", the page loads perpetually, and never finishes loading.
The URL in the address bar during save is this:
The only save that works is hitting "Load default menu" and then hitting Save Changes. Change even one menu item and it breaks.
No js errors, The rest of the site and admin loads fine while Admin Menu Editor is stalling. My server has very generous PHP memory and execution time settings. Developer, this is a great plugin! Can you look into 3.3 issues?
This could well have the same cause as http://wordpress.org/support/topic/plugin-admin-menu-editor-memory-errors-from-menu-editor-corephp?replies=1 and http://wordpress.org/support/topic/plugin-admin-menu-editor-program-gives-404-error-on-save.