DELETE FROM os_images WHERE id = 'guixsystem130';
DELETE FROM os_images WHERE id = 'archlinux';
UPDATE os_images SET deprecated = FALSE WHERE id = 'guixsystem120';
UPDATE os_images SET deprecated = FALSE WHERE id = 'centos7';
UPDATE os_images SET deprecated = FALSE WHERE id = 'centos8';
UPDATE os_images SET description = 'Ubuntu 20.04 LTS (Fossa)' WHERE id = 'ubuntu20';

UPDATE schemaversion SET version = 18;