R Tools for Visual Studio

Turn Visual Studio into a powerful R development environment.

and  RTVS

Disable The Tabs in Infopath Forms

Go to Web Browser Option from the "Form Options of  "Info Tab" and uncheck the "Show Infopath Command in ribbon or Toolbar

sharepoint 2013 feed format not supported in IE

1. Tools > Internet Options.
2. Select the Content Tab
3. Under Feeds and Web Slices, select Settings
4. Under Advance section untick Turn on Feed reading view