SP2 would normally be released around the time of the following OS release, hence it was due around now. According to sources closes to Microsoft’s engineering team which builds and releases services packs, there are no plans for SP2, which breaks the usual cycle for Windows updates. Now that Windows 8 is launching, those (many?) users wanting to stay with Windows 7 will have been holding their breath for service pack 2, but it looks like it was all in vain.