For those not in the know, Ubuntu Snappy Core or sometimes called Ubuntu Core is a slimmed down version of the Ubuntu Linux operating system designed to be deployed in various embedded and IoT (Internet of Things) devices, such as Raspberry Pi 2 and 3 single-board computers, but basically any ARM-powered computer. The Ubuntu Snappy Core 16 Release Candidate build comes approximately five weeks after the release of the Beta version, and it promises to include various assertion and interface improvements, mount sharing fixes, as well as several other small fixes for bugs reported by users since the Beta.