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MotionBuilder 2023 Release Notes

Welcome to MotionBuilder 2023. These release notes describe known limitations, issues, and fixes included in this release. To learn about the new features and updated workflows, see What's New in MotionBuilder 2023 and What's New in MotionBuilder 2023 SDK.

For complete MotionBuilder configuration, licensing and deployment options, see MotionBuilder Installation

What's Fixed

General
Audio clips are sometimes wrongly assigned to a take after scene load MOBU-11326
Video encoded with MotionJPEG Video Codec not recognized FPS correctly MOBU-11157
UI begins to flicker when interacting with the Viewer MOBU-11397
Transport Controls Action timeline height no longer adjustable MOBU-11464
Blend shape normals are no longer loaded MOBU-11391
Cannot overwrite a file larger than 2GB MOBU-11332
Viewer's translation XYZ coordinates fields can behave wrongly MOBU-11393
Cannot change the start and end time when importing FBX Motion File MOBU-11382
Constraints
Relation Constraint connections lost when saving or loading file MOBU-11395
Spline IK will not load properly if the joints are aligned to the global Y axis MOBU-11302
Apply Namespace on File Open may break some constraints MOBU-11331
FCurves
Crash when TimeWarp curve affecting locked properties is deleted MOBU-11365
Keying Quaternion Rotation properties creates keys outside range MOBU-11322
Issue with adding time warp to multiple path constraints MOBU-11319
FCurve spikes when Plot Selected is used MOBU-11265
Navigator
Real Quaternion Rotations crashes when keying in Fcurve Editor MOBU-11386
Takes are not always reordering correctly MOBU-11353
Navigator Search objects are badly filtered out MOBU-11305
Python
Loading a large Python script is slow MOBU-11428
Decreasing indent of multiple lines in the Python Editor is behaving incorrectly MOBU-11357
Editing multiple lines in the Python Editor incorrectly creates an undo operation per line MOBU-11356
Crash depending on the current folder with BloopSlate.py sample MOBU-11399
SDK
Plug-ins are no longer loaded from a user-defined plug-in paths MOBU-11394
Setting FBMotionFileOptions.ModelSelection leads to a crash MOBU-11375
Story
Copying & pasting a clip removes the destinations MOBU-11387
Insert Current Take introduces undesired rotations MOBU-11317
Textures
RLE compressed TGA textures no longer supported MOBU-11379
16-bit channel images no longer rendered MOBU-11378
Crash when loading DDS files MOBU-11359
UI
Single click on fields to change values not working MOBU-11289
Cannot modify timeline height MOBU-11288
Title bar missing with dual screen setup MOBU-10675

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