Changes to packages.gitlab.com: What you need to know

This post details a migration of the `packages.gitlab.com` infrastructure to a new package hosting system. Key changes include: updated DEB repository URLs for `gitlab/*` repos to include the distribution codename as a path segment, updated GPG key URL from `https://packages.gitlab.com/gpg.key` to `https://packages.gitlab.com/gpgkey/gpg.key`, redirection of package downloads from AWS CloudFront to Google Cloud Storage (requiring firewall/proxy allowlist updates for `https://storage.googleapis.com/packages-ops`), changes to direct package download URLs, and a move of GitLab Runner `noarch` RPM packages from the `noarch` architecture path to `x86_64`. The post emphasizes re-running installation scripts and updating configurations before September 30, 2026, when backwards compatibility will be removed.