在visual studio 2017中丢失的Reportviewer工具

I just started to write reporting software in new version of visual studio named visual studio 2017 RC but just noticed that core reportviewing tools is missing from both windows forms and WPF application template. Can anyone tell me why the reportviewer tool is disappeared from visual studio 2017 ? Really having trouble without it . Is there any alternate to work with this tool in new visual studio ? I just started to write reporting software in n