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Feb 7, 2024 · Mobile Development

How QQ Space Overcame Code Decay with Progressive Refactoring

This article details the 18‑year‑old QQ Space's massive architecture overhaul, explaining why the legacy codebase became unsustainable, the guiding principles of progressive refactoring, the new Part‑and‑Section component model, performance optimizations, and the measurable improvements achieved after the rewrite.