Serializer Groups promise flexible JSON output without code duplication. In small projects they deliver on that promise. In grown APIs they become a hidden complexity driver that confuses new developers for hours and turns refactoring into a Sisyphean task.
Express ships with only weakly typed request and response objects out of the box. With generic types for body, params and query, typed middleware chains and a clear error class hierarchy, a fragile JavaScript framework becomes a TypeScript backend architecture that reports errors at compile time instead of at runtime.
Every plugin increases memory usage, extends startup time, and can slow the IDE down. The question is not which plugins exist, but which ones genuinely add value to your own workflow, and which ones can be disabled without any loss.
Generating code from OpenAPI specifications sounds tempting, but in practice it often produces unreadable cruft that immediately needs manual patching. That defeats the whole point of generation. This article shows how to configure openapi-generator so the output code is maintainable, and why template overrides are the key to that.