Downloads vs Update charts in new iTunes Connect
It appears that this has been removed from the new iTunes Connect Sales &amp; Downloads.


  Units is the aggregated number of items sold, refunded, or updated for a given day or week.


However, the data is still in the raw reports:


  Update transactions have the Product Type Identifier 7.


Source: https://itunesconnect.apple.com/WebObjects/iTunesConnect.woa/wo/5.0.0.13.7.2.7.9.3.1.2.3.3.1.1.4.1