Use refs to track mount status or use dedicated cleanup functions. The course repo now includes a useStableEffect pattern. 3. Should You Wait for the "Official Patched Version"? A common question: Is the course worthless now? Should I wait for a "Namaste Frontend System Design v2"?
Share it with the #namaste-frontend-patches community on GitHub. namaste frontend system design patched
| Feature | Pre-Patch (Broken) | Patched (Production-Ready) | |--------|--------------------|-----------------------------| | API calls | Uncancelable fetch | AbortController + race check | | Debounced input | Timeout leak | Cancelable debounce + cleanup | | Infinite scroll | No position restore | Height diff + scrollTop patch | | Event listeners | Added on mount, never removed | Cleanup removeEventListener | | Global cache | Infinite growth | LRU cache + TTL invalidation | | Concurrent requests | Last one wins (wrong) | Cancel stale + show latest | | React 18 | Double-mount crashes | Ref mount guard or effect cleanup | Use refs to track mount status or use
