Build 1.8.2 improves the browser and electron app compatibility quite a bit, it also adds a new web browser compatibility Template wizard allowing to create templates for previously unknown Chromium and Firefox (gecko) based browsers.Sandboxie now fully isolates the NT namespace, reducing the potential attack surface, Build 1.8.0 introduced a couple of major changes to Sandboxie's inner mechanics, all preset access directives have been moved to template entries.

Sandboxie 1.8.3 Plus / Classic 5.63.3 changelog:

The Classic build has the old no longer developed MFC based UI, hence it lacks support for modern features, these features can however still be used when manually configured in the Sandboxie.ini. What's different is the user interface the Plus build has a modern Qt based UI which supports all new features that have been added since the project went open source. Both have the same core components, this means they have the same level of security and compatibility.

Sandboxie is available in two flavors Plus and Classic.

Sandboxie full