If you're interested in cutting edge Construct features try the Beta releases. These releases should not be used unless you are willing to tolerate some bugs.
New minify service; new examples; bug fixes
Dynamic layers; Tween updates; bug fixes
iOS export update; AJAX update; new example; bug fixes
Internationalization plugin; icons in text; animation frame tags & more
New example; bug fixes
Text/SpriteFont range tagging; new examples; new script APIs; performance improvements & more
Mobile IAP update; bug fixes
Android and NW.js export updates; Timeline improvements; lots of bug fixes
New File System plugin; 3D image points; usability improvements; faster Text objects & more
Bug fixes