Stability releases ControlNet v3 with UI-aware conditioning for design mockups

AI · 4 min read

ControlNet v3 brings a new set of conditioning heads that accept layout masks, grid definitions, and component skeletons as inputs, producing images that align to the provided structure. This improves fidelity when generating pixel-perfect assets intended to slot into design systems.

The release also optimizes control strength schedules to preserve hand-drawn nuances while enforcing structural guides—useful for stylized UI explorations. Example pipelines include sketch + grid -> high-fidelity mock and wireframe + brand palette -> themed component set generation.

Stability added tooling for iterative refinement: designers can lock certain regions and request multiple stylistic passes without breaking layout constraints. The company positioned ControlNet v3 as bridging the gap between freeform generative art and production-ready UI assets.