For projects that use our GitLab or GitHub App integration, the CIRCLE_PROJECT_USERNAME environment variable currently resolves to a UUID for the organization.
On or after Jan 5, 2024, the CIRCLE_PROJECT_USERNAME environment variable will resolve to a string containing the CircleCI organization name.
CIRCLE_PROJECT_REPONAME resolves to a blank value for projects using CircleCI’s GitLab or GitHub App integration. On or after Jan 5, 2024, the CIRCLE_PROJECT_REPONAME environment variable will resolve to a string containing the CircleCI project name.