Yagni A Definition by Martin Fowler martinfowler.com Yagni originally is an acronym that stands for "You Aren't Gonna Need It". It is a mantra from Extreme Programming that's often used generally in agile software teams. It's a statement that some capability we presume our software needs in the future should not be built now because "you aren't gonna need it". A late change in requirements is a competitive advantageRequirements proliferation softwareagilefeaturesplanning
The State of Agile Software in 2018 A Talk by Martin Fowler martinfowler.com On the surface, the world of agile software development is bright, since it is now mainstream. But the reality is troubling, because much of what is done is faux-agile, disregarding agile's values and principles. The three main challenges we should focus on are: fighting the Agile Industrial Complex and its habit of imposing process upon teams, raising the importance of technical excellence, and organizing our teams around products (rather than projects). How we can do betterTaylorism in software A late change in requirements is a competitive advantageMake the change easy agilesoftware
Chopped and disfigured The details of a building cannot be made alive when they are made from modular parts If the builder wants to build the room from modular four-foot panels, he must change the size of the rooms, and change their shape, to fit his panels. In such a building system, it is impossible for a person to create a plan which reflects the larger subtleties of site or plan. Each plan will always be chopped and disfigured to make it fit the building details. To make the building live, its patterns must be generated on the site, so that each one takes its own shape according to its context. Christopher Alexander, The Timeless Way of Building What's suitable for each unique condition modularity