Do you have a lot of menu items, and have you experienced a dramatic slow down in your Appearance > Menus admin screen after updating to WordPress 3.6? Here I’ll describe why that happens, how to improve it, and provide a plugin solution.
Many an unsuspecting WordPress user has fallen victim to the menu item limit effect. Here I’ll attempt to explain why it happens, how to detect it before it becomes an issue, and how to properly configure the server to avoid limiting your menu items.