xpack rollup功能是否以后还有？

在xpack rollup页面有这么一段话，在未来rollup功能会成为正式功能吗？
这个功能很实用，如果以后可能变没的话现在产品里面不敢用

This functionality is experimental and may be changed or removed completely in a future release. Elastic will take a best effort approach to fix any issues, but experimental features are not subject to the support SLA of official GA features.