Sling.js 15.4.0 has been released and comes with a number of improvements.

• Add new function for route query variable parsing.
• Add new function for route strategy assignment and add support for path name and query string routing strategies.
• Add automated tests for route query variable parsing.
• Add automated tests for query string routing.
• Add automated tests for path name routing.
• Add automated tests for change detection using MutationObserver.