Changelog

[2026.5.0.0] - 2026-08-26

🐛 FIXED

• Fixed the Alias API DLL path preference (

  IO/Alias/AliasApiDllPath

  ) not persisting between sessions

📦 Asset Transformer SDK CHANGES

• 2026.4.0.0 → 2026.5.0.0

💡 CHANGED

• core.configureLicenseServer

  : the

  flexLM

  boolean is replaced by

  serverType

  (

  PIXYZ

  ,

  FLEXLM

  or

  UNITY

  ), and a new optional

  toolset

  selects which license pool to draw from on a Unity server; scripts passing

  true

  or

  false

  must be updated to the enum

• core.getLicenseServer

  now returns

  serverType

  instead of

  useFlexLM

  , along with the configured

  toolset

👾 FIXED

• Fixed Creo Family Table instance files (.xas, .xpr, .neu) rejected with "File extension not recognized"
• Fixed GLTF/GLB export ignoring the ExportHiddenParts flag
• Fixed crash when exporting a selection as a JT file
• Fixed wrong coordinate frames in JT import
• Fixed misalignment between vertices and vertex colors in JT import
• Fixed import hanging with certain .fbx files
• Fixed FBX import removing mesh skinning if there were no animations
• Fixed an issue importing SLDASM files where a prototype and its instances were incorrectly both added to the scene
• Fixed crash when importing PMI in certain files
• Fixed issue importing layer colors in .dwg files
• Fixed standalone annotations not being imported for .step files
• Fixed crash when importing .pxz file with a null material texture

[2026.4.0.0] - 2026-05-22

📦 Asset Transformer SDK CHANGES

• 2026.1.1.1 → 2026.4.0.0

➕ ADDED

• Support of PMI Product Views in JT import
• Revit import: Added view metadata and project base point
• Updated CATIA V5 import support up to V5-6R2026
• Updated NX import support up to NX 2512
• Updated Solid Edge import support up to 2026
• Updated SolidWorks import support up to 2026
• Updated Revit import support up to 2026
• Updated ACIS import support up to 2025 (V35)
• Updated Parasolid import support up to 38.0
• DGN (MicroStation) reader is now officially supported
• material.getImageAverageColor Get the average color of an image, as well as the per component standard deviation (returned as a colorAlpha)

💡 CHANGED

• Default JT export version changed from 8.1 to 10.0
• material.getMaterialMainColor Now returns the average color if the material has a texture

👾 FIXED

• Fixed material loss during JTOpen export/import
• Improved point evaluation on periodic NURBS (Tessellation fix)
• Fixed USD export crash with instances
• Fixed partial loading mode in some CAD file imports
• Fixed PLMXML import of referenced files
• Fixed AO baking getting worse with dense meshes
• Fixed material loss during PDF import/export
• Fixed some SDK crashes during .pxz file import
• Fixed material issue after undoing explode functions
• Fixed crash in STEP file import with LoadPMI enabled
• Fixed removeSymmetryMatrices, sometimes symmetry were not detected
• Fixed BakeAO triggering weird Progress callback values when DestOcc and SourceOcc don't have the same size
• Fixed missing transforms in some JT file import
• Fixed some crashes in JT exporter
• Fixed a crash in STEP importer
• Fixed .stpz extension not recognized
• Fixed import of KHR_materials_specular extension in glTF
• Fixed invalid image loading
• Fixed .step loop creation leaving co-edges unlinked
• Fixed .dwg import bloating scene with geometric text
• Fixed 2025.x pxz file import

[2026.1.1.1] - 2025-12-12

🐛 FIXED

• force PYTHONPATH to be application path
• fix preference restore system
• material comparison fix
• fix resetSession + import crash
• prevent inspector from entirely refresh with multi selection
• Fix crash undoing a capping plane generation
• fix fast properties on metadata
• inspector over-refresh fix
• fix Desc's override values

📦 Asset Transformer SDK CHANGES

• 2025.7.3.1 → 2026.1.1.1

👾 FIXED

• Fixed missing children in some USD files
• New primary JT interface solving a huge number of import and performance problems
• Fixed subpart materials handling in explode functions

💡 API Changes

➕ ADDED FUNCTIONS

• algo.deleteAttribute

  Replaces the misspelt function

  algo.deleteAttibute

• material.getImagePixelInfo Recovers pixel info from an image
• material.getImagePixelInfoFromDefinition Same but from an image definition
• material.getImagePixelInfoFromLayoutAndType Same but from a couple of image layout and component type
• material.getImageColorBilinear Same as getImagePixelColor, except that it takes real coordinates as input and returns a bi-linearly interpolated color
• material.convertImage Converts an image from one format to another
• material.flipImageY Applies a vertical flip to an image
• material.invertImageColor Inverts image pixel colors
• material.blurImage Applies a blurring to an image
• material.getImageLayout Gets the pixel layout (component definitions) of an image
• material.getImageComponentType Gets the component type of an image
• material.getImageComponentTypeName Gets a readable name from an image component type
• material.fillImageWithColor Fills (a sub-part of) an image with a single color
• material.getImageColorRange Gets the min and max bounds of each image color component
• material.extractImageComponents Creates new images from individual components of an image
• material.extractImageChannels Creates new images from individual channels of an image
• material.getSubImage Extracts a sub-part of an image
• material.setSubImage Replaces a sub-part of an image by another one
• material.setImageRoI Defines the region of interest of an image
• material.getImageRoI Gets the region of interest of an image
• material.clearImageRoI Removes the region of interest from an image
• material.transformImage Applies a transformation matrix to (the sub-part of) an image
• material.translateImage Applies a translation to (the sub-part of) an image
• material.rotateImage Applies a rotation to (the sub-part of) an image
• material.stretchImage Applies a non-uniform scale to (the sub-part of) an image
• material.createCheckerboardImage Creates a new image representing a checkerboard using two specified colors
• material.overrideImageFormat Changes the way image channels are interpreted by assigning a new format without modifying the data

❌ REMOVED FUNCTIONS

• algo.deleteAttibute

  Replaced by the correctly spelt function

  algo.deleteAttribute

➕ ADDED TYPES

• material.ImageLayout

  : Describes the channel components of an image

• material.ImageComponentType

  : Describes the data type of an image component

• material.PixelInfo

  : Stores additional info about image pixels

• material.BlurFilter

  : Describes the type of filter to use for image blurring

• material.EdgeFilter

  : Describes how to manage pixels located out of an image

• algo.VertexWeightStrategy

  : Describes how to calculate vertex weights

• algo.AttributeType

  : Replace the misspelt type

  algo.AttributType

❌ REMOVED TYPES

• algo.AttributType

  Replaced by the correctly spelt type

  algo.AttributeType

💡 TYPE CHANGE

• material.ImageDefinition

  : Component size and count have been replaced by the pixel layout and type

💡 BEHAVIOR CHANGE

• material.importImage Now able to manage new pixel data types, like uint16 or uint32 from TIFF, or half-float from EXR, for instance
• material.exportImage Now applies an implicit conversion when trying to export to a format that doesn't support the current image data type
• scene.deleteEmptyOccurrences: Now consider an occurrence with a Camera attached as not empty.
• PLY importer is now able to import point clouds.

[2025.4.2.1] - 2025-09-19

🐛 FIXED

• Fixed materials not exported with glTF, USD, FBX and JT exports when materials are assigned as subpart materials
• Fixed menus displayed with transparency on Windows 11
• Fixed

  Isolate

  behavior to match legacy behavior
• Fixed Studio not launched after installation depending on admin rights
• Fixed first file drag&drop blocked after first software startup
• Fixed folding arrows in tree not refreshing correctly
• Fixed animations not saved when saving a .pxz scene
• Fixed

  No Tessellate

  error displayed when re-tessellating parts in some cases
• Fixed crash when opening UV Viewer with animated models
• Fixed

  invalid entity identifier

  error when opening UV Viewer with animated models
• Fixed Inspector view not refreshed when adding custom properties on occurrences
• Fixed Area selection behavior to match legacy behavior
• Fixed incorrect update in scene statistics panel
• Fixed Viewer background turning black when disabling some information from the statistics panel
• Fixed incorrect rendering with the

  World Tangents

  override material
• Fixed undo/redo failing with deleted BRep materials

📦 Asset Transformer SDK CHANGES

• 2025.1.2.3 → 2025.4.2.1

➕ ADDED

• Added support for Autodesk Inventor 2026, CATIA V5 V5_6R2025, Creo 12.4.0.0, NX-Unigraphics NX2506
• Wire: Added the import of

  Selection sets

  included in *.wire files (Alias)
• Wire: Added a new

  AliasImportSymmetries

  import preference

👾 FIXED

• JT: Fixed export up-axis/orientation issue and metadata export
• DWG: Fixed incorrect scale problem at import
• glTF: Fixed

  LoadVariant

  IO preference not working
• Revit: Fixed over-importing "Mass Floor" geometry and potential infinite loop at import
• Creo: Fixed error importing components with flexibility
• USD: Fixed visibility interpretation mismatch and crash with malformed UVs
• Fixed Baking API bug when baking feature component
• Fixed numerical precision issue in GPU Baking
• Fixed Shininess of Standard materials incorrectly rendered in the viewer
• Fixed retessellation of parts after singularization
• Fixed undo/redo of instance singularization

[2025.1.1.1] - 2025-05-12

🐛 FIXED

• Fixed materials not exported with glTF, USD, FBX and JT exports when materials are assigned as subpart materials
• Fixed inability to run software in administrator mode without UAC
• Fixed scene statistics not always updated correctly
• Fixed transform gizmo displayed even with no selection
• Fixed inability to create keyboard shortcut with some functions
• Fixed materials selectors not always emptied after resetting a session
• Fixed sizing issues with keyboard shortcuts window

📦 Asset Transformer SDK CHANGES

• 2025.1.0.4 → 2025.1.2.3

🚀 FEATURES

• GLTF: Added materials

  Alpha coverage

👾 FIXED

• 3DXML: Fixed import yielding inconsistent hierarchy randomly
• STEP: Fixed a memory leak during import
• Revit: fixed misoriented faces at import
• GLTF: Fixed PBR channels exception and variants not imported
• DGN: Fixed potential freeze in tessellation process and missing colors
• USD: Fixed incorrect occurrences naming at export
• Fixed a crash while baking from UV channel 0 to UV channel 1
• Fixed

  algo.decimateTarget

  inconsistencies
• Fixed

  computeAABB

  to include lines

[2025.1.0.5] - 2025-03-28

➕ ADDED

• Added

  Combine Materials in Textures

  action in the

  Optimize Mesh

  menu
• Added an

  Ambient light

  preference for the Standard lighting mode
• Added a spinner in the bottom taskbar indicating the app is still processing
• Added support for the

  Windows 11

  style

🐛 FIXED

• Fixed scripting error output shortening
• Fixed

  Isolate

  mode not working in the

  No-Show

  view
• Fixed the

  FitView

  not working in

  Isolate

  mode with nothing selected
• Fixed a crash when deleting materials while

  SubpartInspector

  is visible
• Fixed viewer not updating at the end of an in-depth selection
• Fixed

  Select Instances

  action no longer selecting instances
• Fixed material thumbnails being blank when Viewer is in isolate mode
• Fixed

  Unselect

  (clear selection) keyboard shortcut not working anymore
• Fixed a GPU memory leak when closing the app
• Fixed

  Find in Tree

  not always focusing at the correct tree location
• Fixed a crash when applying the rUV projection in the

  UV Projection Tool

• Fixed

  Display Prototype Name

  setting being ignored
• Fixed file drag&drop blocked after very first app startup
• Fixed floating license server not found
• Fixed move occurrences position in the tree broken
• Fixed progress bar not showing with functions from the

  Process

  module
• Fixed viewer not updated when parts transform changed

❌ REMOVED

• Removed the Catia-like navigation mode
• Removed the

  runGenericProcess

  function

📦 Asset Transformer SDK CHANGES

• 2024.3.0.14 → 2025.1.0.4

➕ ADDED FUNCTIONS

• algo.hasOverlappingUV Function to check if a given mesh has some overlapping UVs
• polygonal.hasUVs: Function to check if a given mesh has some valid UV channels
• polygonal.hasNormalizedUVs: Function to check if a given mesh has some normalized UVs
• core.getRemainingSecondsBeforeLicenseTimeout: After the connection to a floating license server is lost, get the seconds remaining until the program quits

👾 FIXED

• Fixed

  mergePartOccurrencesByMaterials

  ignoring subpart materials
• Fixed

  computeAABB

  to include lines
• Fixed Utf-8 material name encoding issue
• GLTF: Fixed PBR channels exception and variants not imported
• USD: Fixed incorrect occurrences naming at export
• PARASOLID: Fixed surfaces created twice and overlapping
• Fixed viewer's auto-clipping planes issue with 2D objects
• Fixed a crash when calling undo on empty stack

Previous releases

[2024.1.0.44 BETA] - 2025-02-07

➕ ADDED

• Added

  Combine Materials in Textures

  action in the

  Optimize Mesh

  menu
• Added API functions from the removed legacy

  UI

  module (

  askYesNo

  ,

  message

  ,...) into

  Studio

  module
• Added

  Preferences

  quick access button in the main toolbar

💡 CHANGED

• Improved hierarchy handling performance
• Updated scripts from the

  Sample Scripts

  directory
• Renamed the export preference

  FbxUpAxis

  with

  UpAxis

  (affects

  FBX

  and

  JT

  export formats only)

🐛 FIXED

• Fixed multiple crashes/bugs with material creation/deletion and the Material Editor interface
• Fixed Material Selector becoming blank
• Fixed transformation gizmo with multiselection now always aligned to world
• Fixed wrong rotation value applied with multiple occurrences selected
• Fixed manual scaling yielding incorrect result with large and small values
• Fixed gizmo disappearing in orthographic camera mode
• Fixed crash/freeze when manipulating the scale in

  Move Pivot Only

  mode
• Fixed viewer freeze with large selection with show/hide
• Fixed viewer not updating after

  Select All

• Fixed patch lines showing in the viewer with the

  Outlines

  button disabled
• Fixed emissive map not baked with

  ProxyMesh+Bake

  and

  DecimateTarget+Bake

• Fixed renaming occurrences with

  Rename

  (F2) not working
• Fixed potential crash when searching in the tree
• Fixed occurrences paste and duplicate without instance
• Fixed

  Collapse

  and

  Expand

  tree actions
• Fixed crash when deleting nodes in the tree
• Fixed crash with multiple

  core.resetSession

  in script execution
• Fixed

  out of range

  error when modifying a subpart material
• Fixed

  Select By Material

  failing to select parts with subpart materials
• Fixed missing context menu actions
• Fixed animation controls being disabled when reimporting a model
• Fixed crash when undoing an import
• Fixed crash when undoing any step which added a texture
• Fixed crash caused by the Inspector constantly updating during script execution
• Fixed crash if Material Selector was opened before

  resetSession

  is called
• Fixed shortcuts being disabled after closing dialogs
• Fixed license expiration dialog appearing with floating license
• Fixed a crash when performing some undo/redo on BReps manipulations
• Fixed a crash when using

  Manual Scale

  in

  Guided Import

• Fixed incorrect opacity texture baking rendered black with billboard generation
• Fixed billboard generated with abnormally large scale

❌ REMOVED

• Removed

  Combine Meshes

  action from the

  Optimize

  menu (use

  Merge Parts By Materials

  instead)
• Removed

  IO

  module from the API interface

📦 Asset Transformer SDK CHANGES

• 2024.2.0.52 → 2024.3.0.14

➕ ADDED FUNCTIONS

• scene.getChildrenCount Get the children count of an occurrence
• scene.getFirstChild Get the first child of an occurrence
• scene.getNextSibling Get the next adjacent child
• core.getLicenseError Give the reason of license check failure
• view.destroyContext Destroy the Vulkan instance
• algo.hasOverlappingUV Check for UV overlapping

💡 BEHAVIOR CHANGE

• scene.hide Now accepts a list of occurrences instead of a single occurrence
• scene.show Now accepts a list of occurrences instead of a single occurrence
• scene.inverseVisibility Now accepts a list of occurrences instead of a single occurrence
• scene.showOnly Now accepts a list of occurrences instead of a single occurrence

❌ REMOVED FUNCTIONS

• view.captureNextFrame

• core.pushAnalytic

• core.isInteractiveMode

• core.setInteractiveMode

• core.message

• core.askYesNo

• core.choose

• core.askString

🚀 FEATURES

• CATIA: Added filepath metadata on the occurrences at import
• CreoView: Added new filters

  LoadHidden

  and

  LoadConstructionsAndReferences

  at import
• SolidWorks: Added support for

  Configurations

  , now imported as

  Variants

• Added missing features from CPU Baker to GPU Baker

👾 FIXED

• Revit: fixed missing geometries and broken/missing faces
• DGN: fixed crash when importing 3d curves, precision issues, missing geometries
• GLTF: fixed exported files containing not valid data, crash at export with Draco enabled
• STEP: fixed PMI import crash and memory leaks
• JT: fixed import crash
• PDF: fixed missing PDF export
• Fixed missing transparent material at export with some formats
• Fixed multiple issues with

  algo.explodeByMaterials

• Fixed a crash in

  scene.mergePartOccurrences

  with vertexWeights attributes on meshes
• Fixed incorrect NormalMap Baking on object without material
• Fixed a crash with

  algo.decimateTarget

  when parameter processMeshIndependently=True
• Fixed crash in

  algo.repairCAD

  when CAD loops are not attached to a face
• Fixed a crash when overwriting an existing .pxz file
• Fixed systematic crash with

  algo.removeOccludedGeometriesAdvanced

Known issues

• Potential frame rate loss on laptops with Dual GPUs
• Incomplete product documentation
• Incomplete API Reference