Exactly. To give an example, I have a dictionary app that I wrote to facilitate my French learning that runs in the background and automatically looks up word c

Exactly. To give an example, I have a dictionary app that I wrote to facilitate my French learning that runs in the background and automatically looks up word copied to the clipboard (e.g. from Play Books or Chrome) and brings up the definition. Starting with Android 10 or so they disabled clipboard listener for apps in the background so the whole functionality is toasted. There is no permission to enable this "clipboard listener in background"