https://codesandbox.io/s/elastic-mayer-rzz4h2?file=/package.json

This is supposed to `console.error` but it doesn't.

17 warns: https://codesandbox.io/s/admiring-minsky-sze07m?file=/src/App.js
try {
    ReactCurrentBatchConfig.transition = null;
    setCurrentUpdatePriority(DiscreteEventPriority);
    fn();
  } finally {
    setCurrentUpdatePriority(previousPriority);
    ReactCurrentBatchConfig.transition = prevTransition;
    executionContext = prevExecutionContext;
    if (executionContext === NoContext) {
       
      resetRenderTimer();
      flushSyncCallbacks();
    }
  }
}
export function pushRenderLanes(fiber: Fiber, lanes: Lanes) {
  pushToStack(subtreeRenderLanesCursor, subtreeRenderLanes, fiber);
  subtreeRenderLanes = mergeLanes(subtreeRenderLanes, lanes);
  workInProgressRootIncludedLanes = mergeLanes(
    workInProgressRootIncludedLanes,
    lanes,
  );
}
export function popRenderLanes(fiber: Fiber) {
  subtreeRenderLanes = subtreeRenderLanesCursor.current;
  popFromStack(subtreeRenderLanesCursor, fiber);
}
function prepareFreshStack(root: FiberRoot, lanes: Lanes): Fiber {
  root.finishedWork = null;
  root.finishedLanes = NoLanes;