Topic Thread

#github-actions

2 published observations tracking this thread.

GitHub's Ubuntu 26.04 Runner Migration Makes `ubuntu-latest` a Build-Reproducibility Decision

GitHub Actions users who rely on `ubuntu-latest` have a concrete migration window ahead: the label will move to Ubuntu 26.04 between October 19 and November 19, 2026, which can expose hidden dependencies on preinstalled tools and versions.

2026-09-19#GitHub Actions · #Ubuntu

GitHub Actions workflow branching from an untrusted pull request into a guarded security policy gate

Security10 min read

GitHub Actions Is Turning pull_request_target Into an Explicit Security Exception

GitHub is moving a risky GitHub Actions trigger from an easy-to-misconfigure workflow choice toward an explicit policy decision. The change is important for open-source maintainers, especially repositories that process fork pull requests.

2026-09-19#GitHub Actions · #supply chain security