An option to show line numbers was added. A schema file was added. Support was added for options on the command line. Desktop and man files were added. An error when a serial port is missing was fixed. The serial init sequence was reworked and serial errors are handled better. Syntax highlighting like that in arduino was added. cflags to library objects are correctly parsed and error reporting was improved. The arduino libraries are searched for in standard paths. Standard libraries are shipped. Compilation errors are properly reported. The text editing functions were made to work. The arduino fonts and preferences file are supported. Console fonts can be changed.