* Relaxed domain licensing restrictions to allow unrestricted use on portable computers. (Initially available in version 3.20.01)
* Translation to Simplified Chinese, contributed by Hang Lu.
* Online multiplayer games running in a sandbox can connect to PunkBuster-enabled game servers.
* Improved support for FAT32 volumes on Windows 2000. This functionality was last available in Sandboxie 2.64, and is now restored.
* Proper sandboxing for the installation and use of side-by-side (SXS) DLLs allows complex products to be installed entirely into the sandbox.
* In Windows Vista systems where User Account Controls is enabled, Sandboxie can start programs as Administrator.
* Support for Windows Live Mail.