Here are some of the more noteworthy things available in this release.
The Sling launchpad has switched from Apache Jackrabbit 2.7.5 to Apache Jackrabbit Oak 1.3.7 as a persistence engine. Apache Jackrabbit Oak is now supported in Sling with two persistence modes: SegmentNodeStore ( file-based ) and DocumentNodeStore ( MongoDB-based ). See the Oak documentation for more details about the Oak persistence modes and the Sling Launchpad documentation for details about configuring the persistence mode.
Sling is now provisioned using a simple, text-based, model. See See the Sling Provisioning Model documentation for details.
Sightly is an HTML templating language, similar to JSP (Java Server Pages) and ESP (ECMAScript Server Pages). The name “Sightly” (meaning “pleasing to the eye”) highlights its focus on keeping your markup beautiful, and thus maintainable, once made dynamic.
The cornerstones of Sightly are:
See the Sightly HTML Templating Language Specification for details.
The Java Resource API and the HTTP API are now able to work with versioned resources. See SLING-848 - Support getting versioned resources by using uri path parameters for more details.
The Sling testing tools have seen numerous additions since the last release, including a family of Mock libraries known as the Sling Mocks and a Teleporter JUnit module for running Sling tests in provisioned Sling instances. For more details, see the documentation on JUnit server-side testing support bundles and Sling Mocks .
Sling now uses and requires Servlet API 3.0. See JSR 315: JavaTM Servlet 3.0 Specification for details.
Various performance and concurrency improvements were added to the Engine and JCR Resource bundles.
Some of the notable dependency updates are: