Found it nice as well, but one could argue that a couple of boxes are missing to the left: Requirements and Design. See for instance https://www.experimentus.co

Found it nice as well, but one could argue that a couple of boxes are missing to the left: Requirements and Design. See for instance https://www.experimentus.com/itm/W_06_00055_The_Cost_of_Defects.htm https://www.experimentus.com/itm/W_06_00055_The_Cost_of_Defe... (love linking to "waterfall methodology" pages - makes me feel old :))