FF changes the UI very frequently. Even the last update from 42 to 43 had changes. I love FF and its my only browser but this is one of the most irritating th

FF changes the UI very frequently. Even the last update from 42 to 43 had changes. I love FF and its my only browser but this is one of the most irritating things they do. Maintaining a standard UI is a must to retaining users (and keeping them upgrading).