md5pk

> I just upgraded to v5 recently and I noticed a significant downgrade of the overall performance, as reflected in the Lighthouse. > > And the animation/transition feels sluggish, comparing...

> 例子是会加的，我是觉得直接的属性名字会更简单。如果没有 `tab` 属性，我会倾向于： > > ```tsx > title= ReactNode | { title: ReactNode, dropdownTitle: ReactNode }; > ``` 这。。。破坏向下兼容？ 还是在dropdownTab和回调函数里选一个吧。 或者可不可以像renderTabBar那样，加一个renderTabMenu的回调函数，让用户自己实现特殊的溢出菜单？