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Lazily deserialize candidate-extension indexes from serialized modules

Dev Opened

Status: Open.

#12857 In shader-slang/slang;

· tangent-vector opened on Aug 31, 2026

Refactor: replace the isEqualityConstraint discriminator tag with a proper ConstraintDecl subclass hierarchy

Status: Open.

#12856 In shader-slang/slang;

· nv-slang-bot opened on Aug 31, 2026

Compilation api for SPIR-V no longer works with recent Slang releases, generic error "assert failure: slang-session.cpp(56): blob"

regression

Status: Open.

Bug

#12852 In shader-slang/slang;

· SaschaWillems opened on Aug 31, 2026

·  

Q3 2026 (Summer)

[Performance] Suboptimal SPIR-V codegen for HLSL Wave Intrinsics (Duplicate OpGroupNonUniformBallot emitted)

reproducedProvided instructions confirmed to reproduce the issueProvided instructions confirmed to reproduce the issue

Status: Open.

#12847 In shader-slang/slang;

· Andreyogld3d opened on Aug 31, 2026

Shader coverage: test the coalescing exit analysis directly in slang-static-unit-test

Shader coverageSlang shader coverage featureSlang shader coverage feature

Status: Open.

#12845 In shader-slang/slang;

· jvepsalainen-nv opened on Aug 31, 2026

Add missing _cuda_sm_x_y capability atoms (and fix the silent cuda_sm_8_9 → sm_80 CASE-table gap)

cuda

Status: Open.

Feature

#12839 In shader-slang/slang;

· nv-slang-bot opened on Aug 30, 2026

Add IGlobalSession::getDownstreamCompilerPath (complementing setDownstreamCompilerPath)

Status: Open.

Feature

#12838 In shader-slang/slang;

· nv-slang-bot opened on Aug 30, 2026

Remove generic-parameter-count overload tie-breaker in language version 202c

Dev Opened

reproducedProvided instructions confirmed to reproduce the issueProvided instructions confirmed to reproduce the issue

Status: Open.

Bug

#12829 In shader-slang/slang;

· tangent-vector opened on Aug 29, 2026

·  

Q3 2026 (Summer)

Support implied constraints from constrained generic type applications

Dev Opened

Typesystem

Status: Open.

Feature

#12826 In shader-slang/slang;

· tangent-vector opened on Aug 28, 2026

[ForwardDerivativeOf] cannot resolve a shaped generic overload beside a catch-all generic overload

Autodiff

Dev Opened

reproducedProvided instructions confirmed to reproduce the issueProvided instructions confirmed to reproduce the issue

Status: Open.

Bug

#12825 In shader-slang/slang;

· tangent-vector opened on Aug 28, 2026

·  

Q3 2026 (Summer)

Generic struct specialization rejects valid associated-type equality constraint

Dev Opened

regression

reproducedProvided instructions confirmed to reproduce the issueProvided instructions confirmed to reproduce the issue

Typesystem

Status: Open.

Bug

#12822 In shader-slang/slang;

· tangent-vector opened on Aug 28, 2026

·  

Q3 2026 (Summer)

Threading slang::createGlobalSession always takes a recursive mutex, resulting in serialized session creation

Capture/Replay

Status: Open.

Performance

#12821 In shader-slang/slang;

· fuchstraumer opened on Aug 28, 2026

·  

Q3 2026 (Summer)