3.4.1.2

Robert Rosca

@roscar

4961dfd5 · Implement, raise, and catch, migration errors to send mdc messages · Aug 27, 2021

Deployed to production without deployment tests.

This tag starts at 2071a49acc8a6ee8d45ba981e7b5a2991b1e0785 with these two squashed merges cherry-picked:

- 1bdf82c118b229c14958fd57e005a54cd00ca143
- 4961dfd59c9bd7f82da8c24c76d639882b7ad550