The 1.3.x branch of PrestaShop is not supported anymore. You should update to PrestaShop 1.5.
PrestaShop 1.3 is not supported anymore.
For historical purpose, you can still download the PDF for the user guide:
They are based on PrestaShop 1.3.2. They will not be updated.
Version 1.3 was first released on May 25th, 2010.
Here are the 1.3.x branch release dates :
PrestaShop 1.3 RC
April 15th, 2010
PrestaShop 1.3 RC2
April 16th, 2010
PrestaShop 1.3 RC3
April 21st, 2010
PrestaShop 1.3 RC4
May 5th, 2010
PrestaShop 1.3 RC6
May 12th, 2010
|PrestaShop 1.3 RC7||May 20th, 2010||Blog|
May 25th, 2010
|PrestaShop 1.3.1||June 4th, 2010||Blog|
|PrestaShop 1.3.2||October 1st, 2010||Blog|
|PrestaShop 1.3.3||December 2nd, 2010||Blog|
|PrestaShop 1.3.4||December 22nd, 2010||Blog|
|PrestaShop 1.3.5||December 29th, 2010||n/a (changelog)|
|PrestaShop 1.3.6||January 12th, 2011||Blog|
|PrestaShop 1.3.7||March 23rd, 2011||Blog|