Wow, Revit 2015 is setting some serious records for updates!
Here is the direct link to the Update Release 14 for Revit 2015 R2:
http://up.autodesk.com/2015/RVT/Autodesk_Revit_2015_R2-x64_Update14.exe
and non-R2:
http://up.autodesk.com/2015/RVT/Autodesk_Revit_2015-x64_Update14.exe
Readme:
Autodesk Revit 2015 R2 Update Release 14 Readme
Enhancements list (not live yet…)
https://wrw.is/wp-content/uploads/2016/05/Enhancements_List_RVT_2015_UR14_forR2.pdf
