by tamlyn on WordPress.org
Prevents plugins from showing deprecated errors in the WordPress admin.
As a theme developer, you want to have WP_DEBUG enabled but you’re not interested in the deprecated warnings created by other plugins. Use this plugin to disable these messages while still displaying other errors, warnings and notices.
Plugin by Outlandish Ideas
Adds a simple global function for logging to files for developers.
Easily disable all active plugins—except this one—with one click. Re-enable them anytime using AJAX. Perfect for debugging and troubleshooting.
Developer Tool for WP Errors