Is it possible to have deprecation warnings written to the logs? Reason being is that it would make upgrading to newer Ansible versions far easier if we had a log of what would be deprecated in current running playbooks.
Not yet, but I’m working on a proposal for ansible 2.8 (2.7 is currently in development so it is the one after the next one) which would do that.
-Toshio
This will be a very good option 
will be really appreciated 