Product & UI · Oct 13, 2026
After reaching 50+ beta users Splitleaf is soon reaching alpha! We're celebrating that with a new releas video. This is how we made it.
After reaching 50+ beta users Splitleaf is soon reaching alpha! We're celebrating that with a new releas video. This is how we made it. by kemnern. Watch the…
kemnernu/kemnern
View on RedditOpen the original Reddit post for the version with sound.
This release video was built with Claude Opus and the Motion animation library (formerly Framer Motion), using real production assets rather than mocks. This keeps the workflow easy even as the UI evolves. In our dev environment, we use Playwright to record user sessions, capturing clicks, cursor paths, and DOM snapshots. We use AI to reconstruct the recorded session into editable HTML with Motion animations. Live walkthroughs are rarely clean... they have misclicks, awkward pauses, and wrong turns. Converting the session to HTML makes cleanup trivial: we hand the Motion code to Opus, which tidies up cursor easing, swaps out copy, and trims dead air on command. We chose Motion because its timeline makes sequencing far easier. Believe me, we tried with vanilla CSS animation, and changes were so time-consuming, as every animation's start and end time had to be recalculated. We then render the final Motion timeline directly to video using a headless Chrome browser. All videos on…
The prompt behind it.
The creator has not shared a public prompt. Visit the original post for more about this work.
Video and prompt by kemnern. Original post ↗


