+ * <b>Non-USB Library Components</b>\r
+ * - The \ref TWI_StartTransmission() function now takes in a timeout period, expressed in milliseconds, within which the addressed\r
+ * device must respond or the function will abort.\r
+ *\r
+ * <b>Device Mode</b>\r
+ * - The \ref USB_Init() function no longer calls sei() to enable global interrupts, as the user application may need\r
+ * to perform other initialization before it is ready to handle global interrupts. The user application is now responsible\r
+ * for enabling global interrupts before or shortly after calling \ref USB_Init() to ensure that the enumeration process\r
+ * functions correctly.\r
+ * - The USBInterrupt.c USB driver source file has been relocated from LUFA/Drivers/USB/HighLevel/ to LUFA/Drivers/USB/LowLevel.\r
+ * Projects must update their makefile SRC values accordingly.\r
+ *\r
+ * <b>Host Mode</b>\r
+ * - The \ref USB_Init() function no longer calls sei() to enable global interrupts, as the user application may need\r
+ * to perform other initialization before it is ready to handle global interrupts. The user application is now responsible\r
+ * for enabling global interrupts before or shortly after calling \ref USB_Init() to ensure that the enumeration process\r
+ * functions correctly.\r
+ * - The USBInterrupt.c USB driver source file has been relocated from LUFA/Drivers/USB/HighLevel/ to LUFA/Drivers/USB/LowLevel.\r
+ * Projects must update their makefile SRC values accordingly.\r
+ *\r