This DEV-only field was added in 836331ba5f69f2cc53b273ec073fae116db14302 by @sebmarkbage but it's not being used anymore to my knowledge.
renderState.rendering = null;
            renderState.tail = null;
            renderState.lastEffect = null;
          }
          pushSuspenseContext(workInProgress, suspenseStackCursor.current);
          if (hasChildWork) {
            break;
          } else {
            
            
            
            return null;
          }
        }
        case OffscreenComponent:
        case LegacyHiddenComponent: {
          
          
          
          
          
          
          
          
          workInProgress.lanes = NoLanes;
          return updateOffscreenComponent(current, workInProgress, renderLanes);
        }
        case CacheComponent: {
          if (enableCache) {