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v1.4.7 — first-class --omni-backend flag

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@jjang-ai jjang-ai released this 01 May 04:17
· 3653 commits to main since this release

Promotes the VMLX_OMNI_BACKEND env override to a CLI flag so the panel + Swift Settings UI can flip the Nemotron-Omni multimodal path between Stage-1 (bit-exact PyTorch bridge, default, correct) and Stage-2 (native MLX RADIO + Parakeet, ~15-21x faster encoders + 82 tok/s decode on M4 Max). Stage-2 default-off pending Wave-4 quality validation. Qwen 3.6 VL audit confirmed fully wired both Python + Swift sides.