What would GitHub Actions look like if you designed it today?

A discussion of how modern CI systems could improve on GitHub Actions argues for a more flexible, task-oriented design centered on local execution, graph-based parallelism, automatic content-addressed caching, and containerized, portable workflows. It identifies GitHub Actions limitations including slow commit-and-push feedback loops, VM-centric jobs with duplicated setup, manual and potentially unreliable cache configuration, limited remote and local debugging, inefficient retry behavior, oversized base images, proprietary third-party Actions, mutable dependency references, fragmented failure reporting, and static pipeline definitions. Proposed alternatives include starting runs through a local CLI, automatically parallelizing dependency graphs, resuming failed steps rather than entire jobs, using lockfiles for dependencies, aggregating and parsing test failures, retrying individual flaky tests, relying on standard tools such as Docker Compose, assigning resources per task, and generating tasks dynamically at runtime. The post concludes by presenting RWX as a platform that it claims provides these capabilities.

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