| Image | Used For |
|---|---|
ubuntu-slim |
Lightweight jobs that don't run a full build (spell-check, PR title lint, license headers, external type checks, release publishing, nightly gatekeeper) |
ubuntu-latest |
Full builds, tests, static analysis, coverage, mutation testing, CodeQL |
ubuntu-24.04-arm |
ARM builds, tests, static analysis, coverage |
windows-latest |
Cross-platform builds, tests, static analysis, coverage |
windows-11-arm |
ARM builds, tests, static analysis |
ubuntu-slim is a 1-vCPU Linux runner with a minimal image, suitable for jobs that
are not CPU- or toolchain-intensive. It starts faster and consumes fewer resources.