> A defining feature of service packs was that they didn't have any new feature. Only bug fixes and stability/security. Pretty much every service pack include

> A defining feature of service packs was that they didn't have any new feature. Only bug fixes and stability/security. Pretty much every service pack includes new features. https://en.wikipedia.org/wiki/Windows_XP#Service_packs https://en.wikipedia.org/wiki/Windows_XP#Service_packs https://en.wikipedia.org/wiki/Windows_Vista#Updates https://en.wikipedia.org/wiki/Windows_Vista#Updates