Issues

• CMake: allow a Core + Format (+ stdlib data) only build without GenShader / Gen (and usdUI and usdUtils)

  AcademySoftwareFoundation/MaterialX#3101 · Filter by author pberto opened on Oct 7, 2026

• Specify a slab thickness for the layer node

  AcademySoftwareFoundation/MaterialX#3100 · Filter by author jstone-lucasfilm opened on Oct 5, 2026

• Specify thin-walled behavior for surface and the BSDF nodes

  AcademySoftwareFoundation/MaterialX#3099 · Filter by author jstone-lucasfilm opened on Oct 5, 2026

• Recursive nodegraph implementations cause flattenSubgraphs() to loop forever

  AcademySoftwareFoundation/MaterialX#3097 · Filter by author seang-ilm opened on Oct 3, 2026

• Cyclic 'inherit' on TargetDefs causes an infinite loop and unbounded memory growth

  AcademySoftwareFoundation/MaterialX#3096 · Filter by author seang-ilm opened on Oct 3, 2026

• Recursive 'interfacename' values on Inputs cause stackoverflow

  AcademySoftwareFoundation/MaterialX#3095 · Filter by author seang-ilm opened on Oct 3, 2026
  1

• Installing Python bindings pollutes install prefix with build-time artifacts

  AcademySoftwareFoundation/MaterialX#3088 · Filter by author nrusch opened on Sep 21, 2026

• MaterialX Graph Editor: Add a save command line option

  good first issuehelp wanted
  AcademySoftwareFoundation/MaterialX#3076 · Filter by author kwokcb opened on Sep 16, 2026
  6

  

• glTF Vector3 image definition variant does not include a scale factor

  AcademySoftwareFoundation/MaterialX#3054 · Filter by author kwokcb opened on Aug 25, 2026

• Specify T/RT conventions for generalized_schlick_bsdf

  AcademySoftwareFoundation/MaterialX#3052 · Filter by author jstone-lucasfilm opened on Aug 23, 2026

• MaterialX Graph Editor Uniforms

  AcademySoftwareFoundation/MaterialX#3047 · Filter by author keilyn3d opened on Aug 21, 2026

• Investigate using std::filesystem

  AcademySoftwareFoundation/MaterialX#3046 · Filter by author ld-kerley opened on Aug 20, 2026

• MaterialX Graph Editor display generated code

  AcademySoftwareFoundation/MaterialX#3041 · Filter by author HardCoreCodin opened on Aug 16, 2026

• MaterialX Graph Editor Standard shader-ball full scene

  AcademySoftwareFoundation/MaterialX#3040 · Filter by author HardCoreCodin opened on Aug 16, 2026
  1

• MaterialX Graph Editor 2D unlit preview render

  AcademySoftwareFoundation/MaterialX#3038 · Filter by author HardCoreCodin opened on Aug 16, 2026

• MaterialX Graph Editor Keyboard-less UX

  AcademySoftwareFoundation/MaterialX#3037 · Filter by author HardCoreCodin opened on Aug 16, 2026
  1

• MaterialX Graph Editor custom geometry from usdc

  AcademySoftwareFoundation/MaterialX#3036 · Filter by author HardCoreCodin opened on Aug 16, 2026

• MaterialX Graph Editor IBL environment map

  good first issuehelp wanted
  AcademySoftwareFoundation/MaterialX#3035 · Filter by author HardCoreCodin opened on Aug 16, 2026
  1

  

• MaterialX Graph Editor Undo/Redo

  help wanted
  AcademySoftwareFoundation/MaterialX#3034 · Filter by author HardCoreCodin opened on Aug 16, 2026
  3

• Unexpected error about multi-output for Surface node in MaterialX Graph Editor

  AcademySoftwareFoundation/MaterialX#3033 · Filter by author HardCoreCodin opened on Aug 16, 2026
  1

• Ctrl+F triggers framing of the node graph in MaterialX Graph Editor

  help wanted
  AcademySoftwareFoundation/MaterialX#3032 · Filter by author HardCoreCodin opened on Aug 16, 2026
  1

• Thin film is not applied to the transmission lobe in OpenPBR Surface

  good first issuehelp wanted
  AcademySoftwareFoundation/MaterialX#3026 · Filter by author jstone-lucasfilm opened on Aug 9, 2026

• Thin-film inputs are not applied to specular transmission in Standard Surface

  good first issuehelp wanted
  AcademySoftwareFoundation/MaterialX#3025 · Filter by author jstone-lucasfilm opened on Aug 9, 2026
  7

  

• Clarify opacity semantics for mix of surfaceshader

  AcademySoftwareFoundation/MaterialX#3021 · Filter by author tdavidovicNV opened on Jul 29, 2026

• MaterialX Graph Editor Needs Unit Tests

  AcademySoftwareFoundation/MaterialX#3013 · Filter by author kwokcb opened on Jul 23, 2026
  3