agent-4

Replit released its first iPhone app update in four months after resolving App Store review issues with Apple. The update brings Agent 4, the company's latest AI coding assistant, along with parallel agent support and cross-workspace project viewing.

Replit has released Agent 4, a major update that fundamentally restructures how product teams design, collaborate, and build. The release replaces Design Mode with an infinite Design Canvas, moves from fork-and-merge to shared real-time collaboration, and enables concurrent planning and execution.