ComfyUI v0.44 adds the MiniMax H3 latent upscaler, H3 context windows and ProRes video saving
ComfyUI v0.44.0, released on 4 November 2026, supports the MiniMax H3 latent upscaler, the Sol-H3 VAE and context windows for longer H3 clips. It can also save ProRes video with a choice of chroma subsampling, and adds a node to set the VAE compute dtype.
What it does
Local additions: MiniMax H3 latent upscaler and Sol-H3-VAE support, context windows for MiniMax H3, ProRes saving with selectable chroma subsampling, a VAE Compute Dtype node, a TextGenerateV2 node with image inputs and a fix for fp8_e4m3fn_fast falling back to bf16 with dynamic VRAM. Workflow templates move to v0.11.100.
Worth knowing
Many new nodes are paid partner (API) nodes, not local: MiniMax H3 Max Recast, Extend, Reframe, Insert, Lip Sync and Camera Control, VEED Dubbing, Patina textures, Pruna P-Video Upscale, Topaz Wonder 4, Sonilo Music 1.5 and 1080p to 4K targets for BFL's Flux Video Upscale V2.