### 7.5b Changes February 18, 2003 This is a list of the changes in the LightWave 7.5b release that affect the SDK. `lwlcore.h` This is a new header file containing the definitions to allow native-code plug-ins to acquire and use the new LScript Universal Requester system. `lwlscript.h` This is a new version of an old header usually distributed separately. It is used to develop native-code function and User-defined Object Agent libraries for LScript. Miscellaneous A new project, lsur, has been added to the SDK samples that demonstrates the usage of the LScript Universal Requester mechanism.