Switch to the Presets tab and click any card. Preview its JSON, hit
Load into Editor, customize, then Render.
✨ New capabilities Background media — add background:{type,src,dim,blur} on a scene. Public-domain images — use src:"wikipedia:Your Topic" to auto-fetch a photo. Background video — src:"https://...mp4" with optional volume. Captions — a {"type":"captions","captions":[...]} element with styling. Auto-captions — {"type":"voice","text":"...","captions":true}.