Issues

• Add example-tinyrender: a minimal standalone renderer test against the installed OSL

  AcademySoftwareFoundation/OpenShadingLanguage#2175 · Filter by author jinhgkim opened on Sep 27, 2026

• Missing v1.15.6.0 release tarball

  build / testing / port / CI
  AcademySoftwareFoundation/OpenShadingLanguage#2148 · Filter by author Brainzman opened on Aug 21, 2026
  5

• Tracesets handling proposal

  AcademySoftwareFoundation/OpenShadingLanguage#2146 · Filter by author AlexeySmolenchuk opened on Aug 16, 2026

• [BUILD] Updated ci-osl build images

  AcademySoftwareFoundation/OpenShadingLanguage#2135 · Filter by author jfpanisset opened on Jun 30, 2026

• [BUILD] CUDA 13 drops support for pre-Turing architectures

  AcademySoftwareFoundation/OpenShadingLanguage#2132 · Filter by author jfpanisset opened on Jun 19, 2026
  6

• [BUG] Assert in llvm_util.cpp validate_struct_data_layout using batched mode and LLVM 21.1.x

  AcademySoftwareFoundation/OpenShadingLanguage#2111 · Filter by author boberfly opened on Apr 14, 2026
  1

• [BUG] On Windows, liboslquery will have errors on import with invalid PATH variables

  AcademySoftwareFoundation/OpenShadingLanguage#2109 · Filter by author Alaska-001 opened on Apr 6, 2026

• [BUILD] Switch from FindCUDA to FindCUDAToolkit

  AcademySoftwareFoundation/OpenShadingLanguage#2072 · Filter by author MarkLeone opened on Feb 11, 2026

• Additional dependencies to document in INSTALL.md

  AcademySoftwareFoundation/OpenShadingLanguage#2045 · Filter by author jfpanisset opened on Nov 11, 2025

• [BUILD] OptiX support on Windows

  AcademySoftwareFoundation/OpenShadingLanguage#2039 · Filter by author AlexeySmolenchuk opened on Nov 3, 2025

• structs of structs don't seem to work

  AcademySoftwareFoundation/OpenShadingLanguage#2036 · Filter by author etheory opened on Oct 30, 2025
  2

• Unable to get osltoy working

  AcademySoftwareFoundation/OpenShadingLanguage#2035 · Filter by author etheory opened on Oct 30, 2025
  1

• [BUG] Bad parallel performance when optimizing a group

  AcademySoftwareFoundation/OpenShadingLanguage#2005 · Filter by author fluidray opened on Jul 2, 2025

• [BUG] Bad output indices from pointcloud_search() with batched shading

  AcademySoftwareFoundation/OpenShadingLanguage#2001 · Filter by author johnhaddon opened on Jun 18, 2025
  1

• testrender: Implement support for medium closures (volumetric rendering)

  difficulty/mediumenhancementhelp wantedtestshade / testrender
  AcademySoftwareFoundation/OpenShadingLanguage#1980 · Filter by author lgritz opened on Apr 18, 2025
  2

• testrender: Implement subsurface scattering

  difficulty/mediumhelp wantedtestshade / testrender
  AcademySoftwareFoundation/OpenShadingLanguage#1979 · Filter by author lgritz opened on Apr 18, 2025
  2

• Meta-issue: testrender wish list

  AcademySoftwareFoundation/OpenShadingLanguage#1977 · Filter by author lgritz opened on Apr 18, 2025

• Example .osl Shaders

  AcademySoftwareFoundation/OpenShadingLanguage#1975 · Filter by author mprater opened on Apr 16, 2025

• Beginner Repository Build Documentation

  AcademySoftwareFoundation/OpenShadingLanguage#1974 · Filter by author mprater opened on Apr 16, 2025
  4

• printf "%c" format specifier doesn't work in batch mode

  batch shadingbug
  AcademySoftwareFoundation/OpenShadingLanguage#1965 · Filter by author lgritz opened on Apr 5, 2025
  2

• Unexpected behavior of unsized array defaults

  AcademySoftwareFoundation/OpenShadingLanguage#1959 · Filter by author dal opened on Apr 1, 2025

• Null Pointer Exception possibly due to Invalid Cast from llvm::Value* to llvm::Function*

  AcademySoftwareFoundation/OpenShadingLanguage#1957 · Filter by author 4134N4 opened on Mar 21, 2025
  3

• problem with integer geometry attributes and batched shader execution

  batch shading
  AcademySoftwareFoundation/OpenShadingLanguage#1929 · Filter by author cmstein opened on Jan 22, 2025
  6

  

• texture function and unpremulted RGB output

  AcademySoftwareFoundation/OpenShadingLanguage#1917 · Filter by author PieceMaker085 opened on Jan 6, 2025

• iOS Builds

  AcademySoftwareFoundation/OpenShadingLanguage#1912 · Filter by author Treata11 opened on Jan 1, 2025
  3