From that date, they explained, they’ll be getting rid of paper passes completely to “reduce costs, improve service, streamline rebooking, and save 300 tonnes of paper annually”.
Article source: https://www.huffingtonpost.co.uk/entry/new-boarding-pass-rules-jet2-tui-easyjet-ryanair_uk_69ef52bce4b0f3a433cbfcb9