Fldigi suite Big Sur universal dmg images now available
The development team led by W1HKJ have announced the that Big Sur universal dmg have been posted to http://www.w1hkj.com/bigsur/
These are signed universal installation files and should install on M1 macOS 11.x, both x86_64 and arm architectures. These are signed but not notarized by Apple installation files.
You will have to allow execution the first time an application is opened.
Download the dmg, for example fldigi-4.1.18.04_BS.dmg. This dialog (or something similar) will be exhibited by the operating system.