DirectX Developer Blog:
Today, we are pleased to announce that Shader Model 6.9 and other features have been officially released with Agility SDK 1.619 and complementary DXC 1.9.2602.16. Many of these features have been in preview status since 2025. Simultaneously, we are releasing a handful of new preview features in a separate preview runtime: Agility SDK 1.719-preview.
Overview
AgilitySDK 1.619 exposes the following features. There’s more detail further below, including download and driver links.- Shader Model 6.9 (via DXC 1.9.2602.16):
- Long Vector
- 16 bit float Specials
- 16-bit and 64-bit shader op and wave ops are now required features
- HLSL exposure of the following in DXR 1.2:
- DXR 1.2:
- Opacity Micromaps (Released earlier, with small SM 6.9 portion lit up now)
- Shader Execution Reordering
- D3D Customer-Requested Features:
- Revised Resource View Creation APIs
- Periodic Trim Notifications
- Increased Dispatch Grid Limit
- CPU Timeline Query Resolves
- Enhanced Barriers update: Fence Barriers
- VPblit 3DLUT
- Extension Mechanism
Downloads
- AgilitySDK 1.619 and 1.719-preview: DirectX 12 Agility SDK Downloads
- DXC 1.9.2602.17: Releases · microsoft/DirectXShaderCompiler
Read more:
Announcing Shader Model 6.9 Retail and New D3D12 Improvements - DirectX Developer Blog
Today, we are pleased to announce that Shader Model 6.9 and other features have been officially released with Agility SDK 1.619 and complementary DXC 1.9.2602.16. Many of these features have been in preview status since 2025. Simultaneously, we are releasing a handful of new preview features in...
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