@mike.maxwell
I applied the update this morning and voila! Everything is working beautifully again! 
My 'Good Morning' rule which controls some upstairs and downstairs shades fired at its usual time and both responded appropriately.
Thanks for the quick response Hubitat tech folks!
I love this platform and I talk it up to other techies whenever I can.
I had my Lutron shades working and did the upgrade released today and now I get the same error as above. Note, that I removed my integration app, rebooted, and reinstalled it as the telnet wasn't connecting. Then I got this message when opening/closing the blind.
errorgroovy.lang.GroovyRuntimeException: Ambiguous method overloading for method java.lang.Integer#minus. Cannot resolve which method to invoke for [null] due to overlapping prototypes between: [class java.lang.Character] [class java.lang.Number] (open)
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