Thunderbird: More>Print still opens an empty Print window; none of the Print opportunities work--80.0b1 (64-bit) MacBook Pro 2018 running Catalina entire print window is blank, so can't print!
80.0b1 (64-bit) MacBook Pro 2018 running Catalina Print window is blank, so can't print, no matter how you access the Print command
80.0b1 (64-bit) MacBook Pro 2018 running Catalina Print window is blank, so can't print, no matter how you access the Print command