diff --git a/packages/react-devtools-shared/src/backend/fiber/renderer.js b/packages/react-devtools-shared/src/backend/fiber/renderer.js
index 94246df6485e..e3cf0f5e0533 100644
--- a/packages/react-devtools-shared/src/backend/fiber/renderer.js
+++ b/packages/react-devtools-shared/src/backend/fiber/renderer.js
@@ -1885,7 +1885,20 @@ export function attach(
         // releasing DevTools in lockstep with React, we should import a
         // function from the reconciler instead.
         const PerformedWork = 0b000000000000000000000000001;
-        return (getFiberFlags(nextFiber) & PerformedWork) === PerformedWork;
+        if ((getFiberFlags(nextFiber) & PerformedWork) === 0) {
+          return false;
+        }
+        if (
+          prevFiber != null &&
+          prevFiber.memoizedProps === nextFiber.memoizedProps &&
+          prevFiber.memoizedState === nextFiber.memoizedState &&
+          prevFiber.ref === nextFiber.ref
+        ) {
+          // React may mark PerformedWork even if we bailed out. Double check
+          // that inputs actually changed before reporting a render.
+          return false;
+        }
+        return true;
       // Note: ContextConsumer only gets PerformedWork effect in 16.3.3+
       // so it won't get highlighted with React 16.3.0 to 16.3.2.
       default: