feat: Adding Support for SD.Next Quantization Engine (SDNQ) (Flux1&Flux2klein4B/9B&Z-Image)#9228

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Pfannkuchensack wants to merge 20 commits into

invoke-ai:mainfrom

Pfannkuchensack:feature/svd-quantization

Commits on May 23, 2026

feat(quantization): add SDNQ (SD.Next Quantization) support
Pfannkuchensack
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fix(sdnq): improve uint4 dequantization and add diffusers format support
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test(sdnq): align asymmetric dequant expectation with upstream convention
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test(sdnq): align asymmetric dequant expectation with upstream convention
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feat(sdnq): support SDNQ-quantized T5 encoders
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feat(sdnq): support SDNQ-quantized FLUX.2 transformers
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feat(sdnq): support full ZImagePipeline diffusers folders
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fix(sdnq): match T5 SDNQ submodel layout in FluxPipeline bundles
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committed

Commits on May 24, 2026