Introduction - If you have any usage issues, please Google them yourself
major major update : 1. No performance loss support template 2. No performance loss support multiple languages (which can produce their own language pack, according to visitors to return to the operating system corresponding pages) 3. User support groups, as well as the distribution of competences 4. Support for multiple databases 5 . NBCode6 definition of freedom. Performance improved significantly 7. some open source