What's Changed
* New function to add columns with foreign key constraint by marcmunoz74 in https://github.com/gisce/oopgrade/pull/26
New Contributors
* marcmunoz74 made their first contribution in https://github.com/gisce/oopgrade/pull/26
**Full Changelog**: https://github.com/gisce/oopgrade/compare/v0.11.1...v0.12.0