It's come up here in a few comments before. Perhaps not 100% physically shared infra but there's references of architecture overlap such as "The GitHub-hosted

It's come up here in a few comments before. Perhaps not 100% physically shared infra but there's references of architecture overlap such as "The GitHub-hosted runner application is a fork of the Azure Pipelines Agent." https://docs.github.com/en/actions/concepts/runners/github-hosted-runners#cloud-hosts-used-by-github-hosted-runners https://docs.github.com/en/actions/concepts/runners/github-h... https://github.com/actions/runner-images#about https://github.com/actions/runner-images#about A few threads where blips have affected both services. https://news.ycombinator.com/item?id=42781922 https://news.ycombinator.com/item?id=42781922 https://news.ycombinator.com/item?id=41001040 https://news.ycombinator.com/item?id=41001040 https://news.ycombinator.com/item?id=35003741 https://news.ycombinator.com/item?id=35003741