replay
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Description:
Time travel debugging
Type: Cask  |  Latest Version: 91.13.1,9124.3.18@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @replayio  |  formulae.brew.sh
Category: Developer tools
Tags: debugging developer-tools time-travel javascript web
Install: brew install --cask replay
About:
Replay is a time-travel debugger that records your web application's execution, allowing you to replay the session and step backwards in time to inspect state. It captures all network activity, console logs, and console expressions, providing complete context for diagnosing complex bugs. This tool fundamentally changes the debugging workflow from guesswork to deterministic inspection.
Key Features:
  • Deterministic time-travel debugging that allows stepping backwards
  • Complete execution recording including network and console
  • Collaborative debugging with shareable replays
  • Visual debugging tools for inspecting DOM and state changes
Use Cases:
  • Diagnosing intermittent bugs that are difficult to reproduce
  • Collaborative debugging sessions with team members
  • Understanding complex application state changes over time
Alternatives:
  • Chrome DevTools – Standard forward-only debugging without recording capabilities
  • rr – Linux-native time-travel debugger for native applications
Version History
Detected Version Rev Change Commit
Sep 15, 2025 1:02pm 91.13.1,9124.3.18 0 VERSION_BUMP 66cca321
Jul 24, 2024 12:07pm 91.13.1,9124.3.18 0 VERSION_BUMP 3f219fbe
Jul 24, 2024 12:07pm 91.13.1,9124.3.18 0 VERSION_BUMP 53808a7d
Jul 13, 2024 3:46pm 91.13.1,9124.3.18 0 VERSION_BUMP 73e63e1f