An end to buggy web apps

Replay, a company developing AI-powered debugging tools, has launched Replay QA, a system that automatically detects and fixes bugs in web applications using a time travel debugger for Chromium and Node.js. The technology captures detailed runtime information to provide "perfect observability," allowing AI agents to identify root causes without guessing, and when tested on 40 promoted web apps, it found over 900 bugs that competing QA tools missed or failed to properly diagnose. Replay's approach combines advanced observability with self-healing capabilities, enabling the system to not only spot bugs but also understand and fix the underlying problems causing them.