An important update to the CueServerLib library for CueTouch was released on January 23, 2018.
This update addresses several performance and connectivity issues that have been reported when using CueTouch with CueServer 2.
Users had reported problems with CueTouch sometimes not connecting with CueServer 2 when the CueTouch panel is rebooted, and occasional disconnects and/or sluggish performance of the CueTouch panel. Version 5.1.5 addresses these issues.
This update can be downloaded from the Downloads Tab of the CueTouch product page..