Signals Image Artist: Is the upgrade a step-wise process?

Unless otherwise stated, the upgrade of Signals Image Artist is always a step-wise process.

For example, if you are currently running SImA 1.1 and wish to upgrade to SImA 1.4.1, the upgrade pathway would be to upgrade from SImA 1.1 > SImA 1.2 > SImA 1.3 > SImA 1.4.1