UTR is a tool that can locally compile and/or run tests the same way it‘s done on the bots. At its heart, it wraps the same codebase used by the bots to drive their builds, while bypassing parts that don’t make sense for developer's machines. This abstracts away pesky details that are hard to remember or discover on bots like:
With this tool, all such details will automatically use what the given builder uses. See the Google-only design doc for further context.
TODO(crbug.com/41492687): Add use-case examples as support is rolled out.