Compiler new features:

• redesigned ANSI C compatible C front-end
• improved code optimizer, 3-4% better code size than V2.05.0 compiler
• the @ operator can now be used with variables located in EEPROM too
• improved and faster linker
• improved COFF object file generator
• improved error/warning reporting
• full support for reduced core chips: ATtiny4, ATtiny5, ATtiny9, ATtiny10, ATtiny20, ATtiny40
• CodeWizard with AVR and XMEGA devices support
• LCD, TWI, 1 Wire, Real Time Clocks (PCF8563, PCF8583, DS1302, DS1307), Temperature Sensors (DS1820, LM75, DS1621) libraries for AVR and XMEGA devices
• XMEGA External Bus Interface (EBI) support
• MMC/SD/SD HC FLASH Memory Card drivers and FAT12, FAT16, FAT32 access libraries for AVR and XMEGA devices, with examples and many more..

IDE new features:

• fully dockable windows that allow flexible customization of user’s workspace
• redesigned split file pane editor allows viewing/editing two files at the same time
• improved syntax highlighting for both C and AVR assembly
• function parameters and global structure/union members auto complete
• redesigned Code Navigator that displays project information in a more logical way
• new Code Information tab is present after a project build. It displays detailed information about the included header files, preprocessor macro definitions, type definitions, global/static variable declarations, memory allocation and function definitions
• new Functions Call Tree that displays the maximum data stack usage in the program, with details for each function
• improved code folding and bookmarks with the possibility to save/restore
• automatic matching brace highlighting when the user places the cursor before the brace
• automatic file saving at specified time interval and many more...