Changes

Desktop integration

• Added context menu icons
• Added support for cascading context menus (see docs)
• Added entries to directory background menus
• Added support for <arg>s in <verb>s (see docs)
• Improved icon caching

Archive extraction

• Added support for extracting .tar.lz, .tar.zst and .rar archives
• Improved performance when extracting .tar.lzma, .tar.xz and .7z archives

Misc

• Moved feed data model from ZeroInstall.Store NuGet package to new ZeroInstall.Model package
• Improved support for Sync with local/network filesystem (see docs)
• Added support for detecting .NET Framework 4.8