flet: Old flet client app versions do not launch on Mac

Have repeatedly seen the following behavior on Mac:

• I get this error when trying to launch a flet app in “local app mode”:

  The application cannot be opened for an unexpected reason, error=Error Domain=RBSRequestErrorDomain Code=5 "Launch failed." UserInfo={NSLocalizedFailureReason=Launch failed., NSUnderlyingError=0x60000374d650 {Error Domain=NSPOSIXErrorDomain Code=111 "Unknown error: 111" UserInfo={NSLocalizedDescription=Launchd job spawn failed}}}

• Web mode works normally.

• When I check flet version, I see that there is a new version available.

• After upgrading to latest version, app launches normally.

While this is in a way great, as it keeps me motivated to quickly upgrade to the latest version, it is not good for stable application use.

Speculation: Mac only considers the latest flet Flutter client app valid.

Would be great if anyone else using a Mac could verify this behavior.