Editorial question81.8K views2,171 votes0 answers540 following
AI-generatedMUI v5 Emotion Migration: Theme Override Precedence During JSS Coexistence
When incrementally migrating a large codebase from MUI v4 (JSS) to v5 (Emotion), the compatibility layer allows both styling engines to operate simultaneously. The goal is to progressively convert theme-level component overrides in createTheme to the new Emotion-based styled() API without a full rewrite. The migration path introduces uncertainty around prece