The five Scrum values (Commitment, Focus, Openness, Respect, and Courage) were mentioned in Book Agile Software Development with Scrum (by Ken Schwaber, Mike Beedle) but the values were not part of official Scrum guide. These were added upon a suggestion by Iain McKenna (Oct 23, 2014) on Scrum guide User Voice. Users have commented and voted it to be part of the Scrum guide 2016.
There are NO other changes in Scrum guide and by adding “The Scrum values” I think it
makes the Scrum guide more clear. On three Scrum pillars (Transparency, Inspection, and Adaptation) these values create a focused and fun to work environment. An environment where teams embrace changes, care and respect each other. More interaction and communication is appreciated.
Scrum is considered as a framework for developing and sustaining complex products. The Scrum values act as a heart, pumping fresh blood to the rest of framework and respective processes and methods defined by the team. The team members can use these values as a guiding star to make a decision that benefits individual, team and project toward achieving the common goal. These values, I think are important for a successful implementation of Scrum and make more sense.