dustinrue/ControlPlane — comment on commit 929a5ae1b8fac266cfeeb2b789264a38f47d21d2
File: Source/TimeMachineDestinationAction.m line 103
By dustinrue:

limitedOptions is also running on the main thread, it is called by prefscontroller in addAction - https://github.com/dustinrue/ControlPlane/blob/master/Source/PrefsWindowController.m#L593

Unless you think putting it on the main thread would solve that...I can check.