WebKit always enables the Copy menu item in every app

WebKit, to quote its website, “is the web browser engine used by Safari, Mail, App Store, and many other apps on macOS, iOS, and Linux.” Obviously, Safari uses WebKit to display web pages, but did you know that Mail app uses WebKit to display email messages? This is true not just for HTML emails but also for plain text format emails. There are a couple of ways to reveal the presence of WebKit in Mail, both of which may be bugs. If you disable “Auto-play animated images” in the Accessibility pane of System Settings, then when you open the contextual menu in a Mail app message or in a Safari web page, you’ll see the “Play All Animations” contextual menu item. In Mail, “Play All Animations” is the only item in the menu, suggesting to me that Apple engineers did not expect a contextual menu there. This behavior occurs on macOS Sequoia, at least; I haven’t yet tested Mail on Tahoe, because I’m avoiding that update, due to Liquid Glass. The second way to see WebKit in Mail app is mentioned…