Great plugin!

This is a very useful, very flexible plugin. It handles both custom post types and custom taxonomies as cleanly and easily as standard post types and taxonomies. It’s also very customizable, allowing you to specify your own templates for the widget display (very useful!) and the back-end admin display. I’ve dug into the code and the code is very clean and professionally written. This could be a poster child for how to write a WordPress plugin. Nice job!

My only issue with this plugin is that it only allows you to select terms in a single taxonomy, e.g. either categories or tags but not both. The reason I dug into the code is that I needed to specify both categories and tags badly enough that I modified the code to allow that. I’ve submitted a pull request on github in the hopes that the author will incorporate this change into a future version of the plugin. But if you don’t need to filter on more than one taxonomy, this plugin should work great for you as is.