Service Pack 1 includes patches for Mirai 1.1.0.1, and will not work with earlier versions of Mirai. On the NT platform, ***DO NOT*** uninstall previously installed patches. Doing so may uninstall components required to run Mirai. This service makes the following changes: - Improves I/O speed for imported/exported objects. - Improves topology fixing for read-in of .obj and .3ds files. - Adds skeleton calibration, multi-bone spine, and more skeleton functionality - Cleans up several UV Editor bugs - Fixes miscellaneous other bugs/features (see below). A complete README file will be installed in the following location as part of the install: - NGC/mirai-1-1/ReadMe/ServicePack1/mirai_1_1_sp1.html