Starting January 2024, all Apple Developer Program memberships will include 25 compute hours per month on Xcode Cloud as a standard, with no additional cost.
"Xcode Cloud is a continuous integration and delivery service built into Xcode and designed expressly for Apple developers. It accelerates the development and delivery of high-quality apps by bringing together cloud-based tools that help you build apps, run automated tests in parallel, deliver apps to testers, and view and manage user feedback"
.