`getContextChangedKeys` only handles class components:
https://github.com/facebook/react/blob/355591add41c0f6dad738fdb1b6603e0786b7b4e/packages/react-devtools-shared/src/backend/renderer.js#L1276-L1304
g
         a
        const primaryChildFragment = fiber.child;
        const fallbackChildFragment = primaryChildFragment
          ? primaryChildFragment.sibling
          : null;
        const fallbackChild = fallbackChildFragment
          ? fallbackChildFragment.child
          : null;
        if (fallbackChild !== null) {
          child = fallbackChild;
        }
      }
      while (child !== null) {
        findReorderedChildrenRecursively(child, nextChildren);
        child = child.sibling;
      }
    }
  }
   Returns whether closest unfiltered fiber parent needs to reset its child list.
  function updateFiberRecursively(
    nextFiber: Fiber,
    prevFiber: Fiber,
    parentFiber: Fiber | null,
    traceNearestHostComponentUpdate: boolean,
  ): boolean {
    const id = getOrGenerateFiberID(nextFiber);
    if (__DEBUG__) {
      debug('updateFiberRecursively()', nextFiber, parentFiber);
    }