Our highest priority is to satisfy the customer through early and continuous delivery of valuable software.
In a world that’s constantly changing at a rapid pace, nobody can really predict what the requirements of a piece of software will be. We welcome changing requirements, even late in development.
We deliver working software frequently, from a couple of weeks to a couple of months, with a preference to the shorter timescale.
Business people and developers must work together daily throughout the project.
Build projects around motivated individuals. Give them the environment and support they need, and trust them to get the job done.
Enable face-to-face interactions – Communication is more successful when development teams are co-located.
Focus on solutions
Working software is the primary measure of progress.
Agile processes promote sustainable development. The sponsors, developers and users should be able to maintain a constant pace indefinitely.
Continuous attention to technical excellence and good design enhances agility.
The art of maximizing the amount of work not being done—is essential.
The best architectures, requirements and designs emerge from self-organizing teams.
Learning the lesson
At regular intervals, the team reflects on how to become more effective, then tunes and adjusts its behavior accordingly.