v0

Vercel's AI app builder that turns a description into a runnable front-end or full-stack project through chat, wired into preview, publish and deploy.

v0 is Vercel's AI app builder: it turns a natural-language description into a runnable interface or full-stack project through chat. Wired into Vercel's deploy chain, it needs Publish or Deploy Changes to reach production, with environment variables set separately per stage. Editing in chat or pushing to GitHub is not the same as updating production, so stale sites are diagnosed from the publish record.

Why is the old version still available online even though I have changed the code in v0? Changing in chat does not mean it has been published

If you have already made changes to the interface in v0 chat and even synchronized it to GitHub, but still have the old version when opened online, th...

Admin 4/9/2026

122

V0 preview is normal, why are the environment variables still empty after release? Preview and Deployment are not reading the same environment

If your v0 project is functioning normally in the preview window, but suddenly cannot retrieve environment variables after release, the problem is usu...

Admin 4/9/2026

118

Who is buckle programming for? How is it different from tools like Lovable, Bolt, v0?

If you understand button programming as another "AI web tool", you are only half right. coze.cn The official public page gives it a broader positionin...

Admin 4/7/2026

149