[dirkc]

That sounds great! I'm not super familiar with ActiveRecord, but I use Django migrations regularly. For me the things that stand out are

1. a declarative model - ie. defining the db schema rather than the migrations

2. auto generated migrations with the ability to customize

3. integration with tools for deployment and testing

You probably have a much better idea of the landscape, but reach out to Andrew Godwin [1], he wrote south and then rewrote it to become django migrations.

[1] - https://www.aeracode.org/