https://allenz.net/tags/sdlc/Recent content in SDLC on Allen ZiegenfusHugoen-usWed, 03 Jun 2026 00:00:00 +0000https://allenz.net/writing/retrospectives-are-double-loop-learning/Wed, 03 Jun 2026 00:00:00 +0000https://allenz.net/writing/retrospectives-are-double-loop-learning/Most of a team’s week is single-loop — execute the process, close the ticket. The retrospective is the one ritual that questions the process itself, and what quietly breaks when a team skips it.https://allenz.net/writing/what-code-review-is-actually-for/Wed, 03 Jun 2026 00:00:00 +0000https://allenz.net/writing/what-code-review-is-actually-for/The mandatory, blocking PR gate is barely fifteen years old — and the research says review’s value diverges from its justification. What code review is actually for, and why most of its jobs are better served elsewhere.