Vue SPA 10x Slower Than Plain HTML? The Dependency Version Mystery That Tanked Performance

A developer encountered a baffling issue where a text diff tool ran in 3.6s in plain HTML but took over 40s in a Vue SPA. This article dives into this bizarre performance problem, uncovering the surprising culprit: a subtle version mismatch in a third-party library. Learn how crucial dependency management is and how to avoid similar performance pitfalls.