Coherence X 4.0.4.1 Apr 2026

Coherence X is widely used for creating "SSB" (Site-Specific Browser) applications, enabling users to isolate web apps like Gmail, Discord, or Trello from their main browser tabs for better focus and system integration.

While version 4.0.4.1 focused on minor stability improvements and bug fixes, it served as a bridge to the more significant update. According to the Coherence for macOS Changelog , the major 4.1 release introduced: Coherence X 4.0.4.1

: Enhancements to how the application handles Chromium-based instances to reduce resource overhead. Coherence X is widely used for creating "SSB"

: Restored support for features that were broken in macOS 12.3 and later, specifically regarding whitelisting and certain extension behaviors. : Restored support for features that were broken in macOS 12

: A complete rewrite of the Coherence extension in Swift to improve performance, reliability, and future flexibility.

is a specific maintenance release for Coherence X, a popular macOS utility developed by BZG Apps that allows users to turn any website into a standalone macOS application using Google Chrome or Brave as the engine.