If you are a RealDebrid user, stop using the Share Sheet extension. Instead, open your RealDebrid app (e.g., Unchained) and copy links directly inside the app. This avoids polluting your global iOS Share Sheet.

Days went by, and the "R" download shortcut became a constant source of frustration. I'd be browsing through Safari, and suddenly, a file would download out of nowhere. I tried to be more careful, but it seemed like the shortcut was always lurking, waiting to pounce.