It's built on a series of Apache offerings, such as Cocoon and Lucene.
Changes in 1.2.3
The full changelog is available at the Apache Lenya website. Some highlights are:
- Replaced Sitetree with XMLHTTP implementation for greater performance
- Added synchronization to sitetree to improve stability under load
- Added caching to default publication
- Moved to Ant 1.6.3 and Jetty 4.2.23
- Update link attributes on publish
- Various small improvements to the asset management screens
- Improved windows installer to make Lenya version more explicit and launch Lenya start page at the end of the install