I have just upgrade to the new Ubuntu 2 RC2, everything is great, booting faster, the desktop responses faster when using VNC. The only problem is when I use Arduino (come with the new release Ubuntu) libraries. Although IDE load code more stable now, the Neo character LCD library still don't work. Actually with the original LCD library, the program always stop at the beginning of the code, but this time, the code go through, I can printout something from serial, but my LCD still did not start up and show anything. I have test this LCD with other 3.3V microcontroller (Teensy) and the new Arduino 101, and it works well, so I think it's not about the LCD. I make this post to ask Udoo team or anyone test this LCD library work can show me the picture or video, so that I can debug my problem. I will try with the I2C control LCD and update later. Thanks.