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

Status: Open.

#2132 In AcademySoftwareFoundation/OpenShadingLanguage;

· jfpanisset opened on Jun 19, 2026

[BUILD] CUDA 13.3 requires LLVM 22.1.2 or newer

Status: Open.

#2129 In AcademySoftwareFoundation/OpenShadingLanguage;

· jfpanisset opened on Jun 18, 2026

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

Status: Open.

#2111 In AcademySoftwareFoundation/OpenShadingLanguage;

· boberfly opened on Apr 14, 2026

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

Status: Open.

#2109 In AcademySoftwareFoundation/OpenShadingLanguage;

· Alaska-001 opened on Apr 6, 2026

[BUILD] Switch from FindCUDA to FindCUDAToolkit

Status: Open.

#2072 In AcademySoftwareFoundation/OpenShadingLanguage;

· MarkLeone opened on Feb 11, 2026

Additional dependencies to document in INSTALL.md

Status: Open.

#2045 In AcademySoftwareFoundation/OpenShadingLanguage;

· jfpanisset opened on Nov 11, 2025

[BUILD] OptiX support on Windows

Status: Open.

#2039 In AcademySoftwareFoundation/OpenShadingLanguage;

· AlexeySmolenchuk opened on Nov 3, 2025

structs of structs don't seem to work

Status: Open.

#2036 In AcademySoftwareFoundation/OpenShadingLanguage;

· etheory opened on Oct 30, 2025

Unable to get osltoy working

Status: Open.

#2035 In AcademySoftwareFoundation/OpenShadingLanguage;

· etheory opened on Oct 30, 2025

[BUG] Bad parallel performance when optimizing a group

Status: Open.

#2005 In AcademySoftwareFoundation/OpenShadingLanguage;

· fluidray opened on Jul 2, 2025

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

Status: Open.

#2001 In AcademySoftwareFoundation/OpenShadingLanguage;

· johnhaddon opened on Jun 18, 2025

testrender: Implement support for medium closures (volumetric rendering)

difficulty/mediumDays to weeks for veterans, very challenging for newcomersDays to weeks for veterans, very challenging for newcomers

enhancementImprovement of existing/working features.Improvement of existing/working features.

help wantedA task that is desired, but needs somebody to commit the effort to implement it.A task that is desired, but needs somebody to commit the effort to implement it.

testshade / testrendertestrender or testshade sample applications and test harnessestestrender or testshade sample applications and test harnesses

Status: Open.

#1980 In AcademySoftwareFoundation/OpenShadingLanguage;

· lgritz opened on Apr 18, 2025