Hello Davide,
In short, we actually restructured our templating engine so that in the future, we will be able to provide cool stuffs in the template configuration like changing colors etc. We have also improved the compiling method to compile less files so that it would not time out when you hit the memory limit. This was the biggest issue that we had on EasySocial 1.1 where users were not able to fully utilize the less files which we provide