Stayed long enough to screw up the Azure DevOps future, but not long enough to make GitHub a viable alternative.
In CI-land, though, I think GitHub Actions and Azure Pipelines fates are much more closely intertwined. The Microsoft-hosted runners for Azure Pipelines have the same environment as GitHub Actions (or perhaps it's GitHub Actions that's standing on the shoulders of Azure Pipelines)[1].
1: https://docs.microsoft.com/en-us/azure/devops/pipelines/agen...
AWS has this as well