Magento Community Edition (CE) 18.104.22.168 have the following new features:
Responsive Web Design
Solr Search Engine Changes
The main areas we are covering are:
New Header/Menu Structure
Is that a slider?
Product Listing Page
Product View Page
CE 1.9 include the following technology updates:
PHP 5.4, which provides better performance and more efficient memory usage
The Zend Framework has been upgraded to version 1.12.3
Responsive Web Design Templates (One website fits all):
The new responsive design reference theme is built on the modern technologies like CSS3, HTML5 and natively available jQuery. This design incorporates the best practices for mobile sites. This feature is available in both Magento Community Edition 1.9.
Faster time to market: This new release enables the developers to build the mobile and tablet friendly websites in half the time as previously required.