The 1.5.x branch of PrestaShop is the previous major branch of PrestaShop, first released as a stable version in September 2012.
It has been superseded by branch 1.6 in April 2014.
Its last version is v18.104.22.168, released in July 2015. There will not be any more updates.
If you are still using branch 1.5, you should upgrade to the latest version!
The PrestaShop 1.5 User Guide is available in both English and French, in PDF form or paperback.
Here are the 1.5.x branch release dates :
PrestaShop 1.5 RC1
June 7th, 2012
PrestaShop 1.5 RC2
August 6th, 2012
September 13th, 2012
|PrestaShop 22.214.171.124||October 4th, 2012||Blogpost|
|PrestaShop 126.96.36.199||October 23rd, 2012|
|PrestaShop 188.8.131.52||December 27th, 2012||Blogpost|
|PrestaShop 184.108.40.206||December 31st, 2012||n/a (changelog)|
|PrestaShop 220.127.116.11||March 27th, 2013||Blogpost|
|PrestaShop 18.104.22.168||April 15th, 2013||n/a (changelog)|
|PrestaShop 22.214.171.124||August 28th, 2013||Blogpost|
|PrestaShop 126.96.36.199||October 7th, 2013||Blogpost|
|PrestaShop 188.8.131.52||November 18th, 2013||n/a (changelog)|
|PrestaShop 184.108.40.206||January 20th, 2014||n/a (changelog)|
|PrestaShop 220.127.116.11||July 29th, 2015||Blogpost (changelog)|