iOS 4.2 GM seed
GM officially stands for Gold Master.
GM officially stands for Gold Master.
A Golden Master is a reference model in hardware/software development. The Golden Master is usually the RTM (released to manufacturing) version, and therefore the first public/commercial version. It represents the development stage of "RTM" (Release To Manufacturing), often referred to as "going gold", or "gone golden".参考链接:
- http://en.wikipedia.org/wiki/Golden_master
- http://www.everythingicafe.com/forum/ios/what-does-gm-seed-mean-48108.html
- Software release life cycle

