We have upgraded our Concourse setups to the latest version 6.7.1 (from version 6.6.0).
This upgrade mainly contains changes to adapt to the rate limits of DockerHub.
You can check the full changelog here.
Skyscrapers Changelog
This changelog lists all updates, improvements and new features our Engineering team develops for our Skyscrapers Reference Developer Platform. These are rolled out automatically to all DevOps-as-a-Service customers.