Improved URL input handling to automatically skip unnecessary steps (like extension import) if no relevant data is detected.
: The Coherence creation tool was updated to allow relaunching after being closed without requiring a full application restart.
: Improved support for importing extensions and profiles from multiple Chromium browsers (beyond just standard Chrome), resolving common errors when Chrome was not the primary system browser. Key Features and Fixes Feature Area Specific Improvement App Signature Coherence X 4.2.1
: Users of the 4.x series are often eligible for discounted upgrades to X5, which introduces a redesigned interface for macOS 26 ("Tahoe") and support for Ungoogled Chromium .
Significant rewrite of the icon generation code to reduce errors when pulling favicons from complex URLs. Key Features and Fixes Feature Area Specific Improvement
Enhanced "Incognito" app modes, allowing for isolated workspaces that do not share cookies or history with the main browser. Legacy and Evolution
While Coherence X 4.2.1 addressed stability for macOS versions like Big Sur and Monterey, it has since been superseded by (released September 2025). Legacy and Evolution While Coherence X 4
The 4.2.x cycle shifted focus from new feature bloat to .