Shopify’s new Horizon theme system promised a revolution: AI-powered customization, modular blocks, and complete visual freedom across ten brand-new, free themes. But now that the themes are live, early merchant feedback suggests the rollout may be hitting bumps.

While the system behind Horizon is ambitious-one design framework, ten distinct styles-reviews across the collection show a surprisingly uneven start. Some themes have launched to praise. Others? Not so much.