Flyway is an opensource db migration tool. Here is the related discussion:
https://community.intersystems.com/post/flyway-support-intersystems-iris
It'd be great to have IRIS support.
There is an attempt dated 3 years ago:
https://github.com/flyway/flyway/pull/3729
Thank you for submitting the idea. The status has been changed to "Community Opportunity".
Stay tuned!