修正内容：
LB-4488 'Radiosity button called PRadiosity' - Changed to 'Enable Radiosity', as that's what the command does.
LB-4516 BSDF produces a worse GI than standard material
LB-4549 Multilayer EXR files not writing if a buffer has a custom name that's only a single character
LB-4567 Cel-Shader hard crash. switching integrators with VPR running has a spurious destroy(). add init if data is null./
LB-4588 'Object files out of date wile saving' - Changed AskToSaveAllObjects() function requester title to be 'Save Objects' as that's all this function ever does.
LB-4593 Interpolated GI is doubling the GI intensity
LB-4597 Hard Crasher In OpenVDB
LB-4601 no ability to change light type via the SDK
LB-4602 Image Viewer with limited range render gets messed up on hide/unhide
LB-4603 GI has SEVERE issues.
LB-4604 Adaptive Sampling appears to be broken
LB-4612 'BandGlue Tool location' - now set proper
LB-4613 The str_to_itemid() helper function now throws a Python exception if any data type other than string is provided.
LB-4620 The Modeler 'LW_Python' CMDSEQ command now accepts a path to a Modeler Python script to be executed.
LB-4622 Render panel shows wrong status with edge rendering
LB-4624 FBX export is broken on GM
LB-4625 lwsdk.LWCameraInfo() problems
LB-4631 IK Booster load/save handler not initializing correctly
LB-4636 FBX import from other sources not proper in LightWave 2018
LB-4638 Primitive light incorrect visibility
LB-4639 Volumetric indirect buffer is wrong
LB-4640 Volumetrics needs a transmittance buffer
LB-4642 Mac/Win minimize gadget inconsistent for Qt-based panels
LB-4643 Layout/Modeler/Hub crash on quit after fresh start
LB-4645 Nodal textures should export to FBX