Moved from: https://github.com/bitcoin/bitcoin/issues/19103.
Somehow the resolution of the QRCode image is not high enough. Native wpkh addresses are non readable and legacy/p2sh addresses are not good readable. Haven't tested on other OSes than macOS.
<img width="599" alt="Bildschirmfoto 2020-05-29 um 09 52 07" src="https://user-images.githubusercontent.com/178464/83235531-55807300-a192-11ea-8c5c-0f88481ecad1.png">
<img width="599" alt="Bildschirmfoto 2020-05-29 um 09 53 21" src="https://user-images.githubusercontent.com/178464/83235524-51ecec00-a192-11ea-8cb3-bcd580724be6.png">

