Core:
-secure authentication for the SMB module (to enable security and write access)
-new GUI, fully customizable elements
-various SMB tweaks (NBSS keep-alive, small ingame speed-up)
-improved NAS support for more devices (WD MyBook, Digitus NAS, ...)
-added an embedded HDLServer into OPL to install HDD games
-various debugging output option (to help debug failing games)
-add compatibility for new external USB HDD with 1k/2k/4k cluster file
-add full compatibility for old PS2 consoles (10k JAP)
-ISO format added for USB too (still there is the 4Gb file limit, which is not present on SMB)
-new compatibility modes
-childproof mode (settings are locked)
-alternate startup mode, for loading/saving configuration files from USB and HDD (no need for MC in this case)
-added new menu to launch external ELF applications
-added VMC (Virtual Memory Card) support
-improved general compatibility (many specific games now working for the first time)
GUI:
-new multi-threaded and redesigned GUI
-support for Cover, Icon and Background Art
-skinnable interface using theme
-added "rename" and "delete" functionalities for games lists