Interesting. Might be a regression bug. Do you have a sample (singlesig) static QR for an XPUB? We can take a look and debug it.
Discussion
For sure, thanks for checking into it -- give this one a try: 
Interesting. Might be a regression bug. Do you have a sample (singlesig) static QR for an XPUB? We can take a look and debug it.
For sure, thanks for checking into it -- give this one a try: 