Coherence - X 4.2.1

: The Coherence creation tool was updated to allow relaunching after being closed without requiring a full application restart.

: 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. Coherence X 4.2.1

Resolved an issue where existing tabs were lost during the app update process; improved behavior when opening new tabs within an isolated app.

: BZG recommends using the Coherence Updater (accessible via the Coherence menu bar) to ensure that apps built with version 4.2.x receive necessary security patches for their Chromium backends. Turn Any Website Into A Standalone App | by Mad Machine : The Coherence creation tool was updated to

While Coherence X 4.2.1 addressed stability for macOS versions like Big Sur and Monterey, it has since been superseded by (released September 2025).

Enhanced "Incognito" app modes, allowing for isolated workspaces that do not share cookies or history with the main browser. Legacy and Evolution Resolved an issue where existing tabs were lost

Released in late 2021, (including its minor point releases like 4.2.1) represented a major performance-focused update for BZG's site-specific browser (SSB) tool. This version solidified the software's transition into a high-performance utility for turning websites into standalone macOS applications powered by Chromium-based backends. Core Update Objectives