Chainfire just released the SuperSU version 2.79. While the developer hasn’t made any official announcement of the update on his Google+ account or anywhere else, the recovery flashable zip file is available for download over at the official download source for the file.
Since there’s no changelog provided by Chainfire for the updated SuperSU zip, we would take it as a finalized build of SuperSU 2.78 SR5 release which the developer made a could have weeks ago.
You can grab the SuperSU 2.79 zip from the link below. We’ve also pulled the Superuser.apk file from the zip if you need the apk instead.
For the unknown SuperSU zip is a recovery flashable file that you can install/flash to any Android device with a custom recovery like TWRP installed to get root access.
For help flashing the zip file with TWRP recovery, check out our detailed step-by-step guide at the link below:How to Flash SuperSU zip via TWRP recovery