Recent CircleCI environment changes causing build failure

Hello,

About 24 hours ago, all of our builds started failing due to one of the steps not being able to connect to the test database running inside of a docker compose setup. Re-running previously successful builds now fail. Looking over the logs, it appears something has changed behind the scenes. Previously, when builds were working we would see:

We now see two steps:

Anyone know what changed and how I might be able to reverse it?

It would be best to also raise a support ticket regarding this as the support team will have access to the job logs and so have a better idea of what is happening vs any system changes that have not been published.