I know you're not asking me, but I would really love the "copy" feature added to ALL context menus.
Right clicking a standard anchor element gives you the "copy link" option, but you don't get to copy the word without having it selected. Would be nice to just have a "copy word" feature, for starters. Could even be expanded so that it auto-selects the text after copying it so that if you wanted to copy more than just one word, you could expand the highlight (with the little widgets on mobile, or with keyboard/mouse selection in that one state on desktop) and then get a "copy text" option that copies all of the selected content.