Github user bbende commented on the issue:
https://github.com/apache/nifi/pull/2219
@pvillard31 I see what you are saying.. so the flow referenced variables
which didn't really exist yet so in v1 of the flow it didn't capture any
variables, then you want to add them but adding them on its own doesn't trigger
a local change to be committed...
@markap14 @mcgilman thoughts?
---
