We are using AWS RDS Aurora MySQL 5.6 for our production database. AWS launched MySQL 5.7 compatible Aurora engine on 6th Feb, 2018.
I dont see any option in \"modify i
You can now perform in-place upgrade from Aurora MyQSL from 5.6 to 5.7
Only a matter of invoking modify-db-cluster or modify-global-cluster (if you are using global clusters of course).
More in the docs (including how to do this using the AWS console).