Preferences Monitor – Get this Extension for 🦊 Firefox (ja)Over the time one of the most common user complains is about add-ons which suddenly changed Firefox preferences without their knowledge. This gave the idea to create this add-on... Preferences Monitor will watch for changes on the about:config preferences and notify you of what was changed exactly. There are three scenarios regarding changes: 1) Changes made by Firefox itself. 2) Changes made by e
