We discovered that async/await was secretly slowing down our production dashboard — not because the code was “bad,” but because async carries hidden costs: micr

We discovered that async/await was secretly slowing down our production dashboard — not because the code was “bad,” but because async carries hidden costs: microtasks, serialized loops, UI thread churn. I wrote up a breakdown with examples + fixes: The Dark Side of Async: Why Your Promises Are Slower Than You Think Would love to hear if others have seen async/await cause unexpected lag at scale.