I am using the new Macbook Air with the Apple Silicon (M1) Processor.
eM Client acts very unstable - especially after resuming the device from stanby.
Often the synchronization does not work after it, so I have to restart eM Client. Additonally when trying to save an attachment the app became unresponsive in nearly 100 percent of all cases and I need to force close eM Client.
One user on this forum said he had issues with eM Client crashing after installing Big Sur, but after a reformat and reinstall of the OS, eM Client worked just fine.