About PrestaShop 1.7
The 1.7 branch of PrestaShop is the DEVELOPMENT version of PrestaShop.
It is constantly being improved upon. You can see it get better (and contribute to it!) here: https://github.com/PrestaShop/PrestaShop
Documentation for PrestaShop 1.7
Versions of PrestaShop 1.7
Here are the 1.7 branch release dates:
PrestaShop 188.8.131.52 alpha 3
April 4th, 2016