This has to be one of those rare features that I can say in all my years of using Firefox, I’ve never used or even found a need to use. Talking about the ‘Close Other Tabs’ option in the context menu when right-clicking on a tab. As the name suggests, it close all the other (except App Tabs) tabs while keeping the current one open. Chrome has this feature as well along with an option to close tabs to the right. Apparently some folks rather right-click on a tab and select ‘Close Tab’ instead of clicking the X and these…