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SM 6.9 - Version info and basic release notes. #8053

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2c96557
ReleaseNotes basic. TBD
alsepkow Jan 12, 2026
2cf4f29
Add upcoming release section
alsepkow Jan 12, 2026
3778e44
Merge branch 'main' into user/alsepkow/Release69
alsepkow Jan 12, 2026
e1f375e
Update blurb on 6.9 with a blog link
alsepkow Jan 12, 2026
1c175a9
Fix release notes
alsepkow Jan 12, 2026
7b4a52f
Update release notes. Will add version title in release branch
alsepkow Jan 13, 2026
f8ecba2
Add note about execution tests
alsepkow Jan 13, 2026
b575e9c
Merge branch 'main' into user/alsepkow/Release69
alsepkow Jan 13, 2026
4221803
Rev sha and rev
alsepkow Jan 13, 2026
96e68e0
Fix sha now that joaos change is in main
alsepkow Jan 14, 2026
7048aa4
Add basic sections to current release notes
alsepkow Jan 14, 2026
b9dd6cd
Apply suggestions from code review
alsepkow Jan 14, 2026
01eb736
Headings
alsepkow Jan 14, 2026
f54534c
probably too many spirv bullets
alsepkow Jan 14, 2026
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27 changes: 22 additions & 5 deletions docs/ReleaseNotes.md
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Original file line number Diff line number Diff line change
Expand Up @@ -19,15 +19,32 @@ The included licenses apply to the following files:

### Upcoming Release

- Fixed regression: [#7510](https://github.com/microsoft/DirectXShaderCompiler/issues/7510) crash when calling `sizeof` on templated type.
- Fixed regression: [#7508](https://github.com/microsoft/DirectXShaderCompiler/issues/7508) crash when calling `Load` with `status`.
- Header file `dxcpix.h` was added to the release package.
#### Shader Model 6.9 Release

- Shader Model 6.9 is fully supported.
- See [the official blog
post](https://devblogs.microsoft.com/directx/shader-model-6-9-dxr-1-2-and-agilitysdk-1-619-release)
for more details.
- Execution tests for all intrinsics supporting DXIL vectors. See the [test
plan](https://github.com/microsoft/hlsl-specs/blob/main/proposals/infra/INF-0006-Long-Vector-ExecutionTest-Plan.md)
for more info.

#### Experimental Shader Model 6.10

- Moved Linear Algebra (Cooperative Vector) DXIL Opcodes to experimental Shader Model 6.10
- Added support for `long long` and `unsigned long long` compile-time constant evaluation, fixes [#7952](https://github.com/microsoft/DirectXShaderCompiler/issues/7952).
- Implement GetGroupWaveIndex and GetGroupWaveCount in experimental Shader Model 6.10
- Implement GetGroupWaveIndex and GetGroupWaveCount in experimental Shader Model 6.10.
- [proposal](https://github.com/microsoft/hlsl-specs/blob/main/proposals/0048-group-wave-index.md)
- GetGroupWaveIndex: New intrinsic for Compute, Mesh, Amplification and Node shaders which returns the index of the wave within the thread group that the the thread is executing.
- GetGroupWaveCount: New intrinsic for Compute, Mesh, Amplification and Node shaders which returns the total number of waves executing within the thread group.
- GetGroupWaveCount: New intrinsic for Compute, Mesh, Amplification and Node
shaders which returns the total number of waves executing within the thread
group.

#### Other Changes

- Fixed regression: [#7510](https://github.com/microsoft/DirectXShaderCompiler/issues/7510) crash when calling `sizeof` on templated type.
- Fixed regression: [#7508](https://github.com/microsoft/DirectXShaderCompiler/issues/7508) crash when calling `Load` with `status`.
- Header file `dxcpix.h` was added to the release package.

### Version 1.8.2505

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4 changes: 2 additions & 2 deletions utils/version/latest-release.json
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Expand Up @@ -2,7 +2,7 @@
"version": {
"major": "1",
"minor": "9",
"rev": "2601"
"rev": "2602"
},
"sha": "b06a58d960fb0c9313cda10d17cc984a610b880f"
"sha": "f255809c3dd408c32349d6b7b16019b8b24e1d2e"
}
6 changes: 3 additions & 3 deletions utils/version/version.inc
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Expand Up @@ -13,12 +13,12 @@
#ifdef RC_VERSION_FIELD_2
#undef RC_VERSION_FIELD_2
#endif
#define RC_VERSION_FIELD_2 8
#define RC_VERSION_FIELD_2 9

#ifdef RC_VERSION_FIELD_3
#undef RC_VERSION_FIELD_3
#endif
#define RC_VERSION_FIELD_3 2505
#define RC_VERSION_FIELD_3 2602

#ifdef RC_VERSION_FIELD_4
#undef RC_VERSION_FIELD_4
Expand All @@ -28,7 +28,7 @@
#ifdef RC_FILE_VERSION
#undef RC_FILE_VERSION
#endif
#define RC_FILE_VERSION "1.8.2505.0"
#define RC_FILE_VERSION "1.9.2602.0"

#ifdef RC_FILE_DESCRIPTION
#undef RC_FILE_DESCRIPTION
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