Zero-defects code: the prescient Microsoft memo from 1989

228 · Digitalseams · July 5, 2026, 3:05 p.m.
Summary
This blog post reflects on a 1989 memo from Microsoft advocating for 'Zero Defects' in software development. It discusses the principles of achieving higher code quality through practices similar to Continuous Integration and Test-Driven Development that were ahead of their time. The post emphasizes the importance of personal accountability, a shift in corporate culture toward quality, and maintaining realistic schedules in software projects, with the ultimate goal of reducing bugs and improving development efficiency.