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 mobile ad plugin, lots of bug fixes
Subfolders for Cloud Save, lots of bug fixes
Some extra bug fixes, and support for Edge
Maintenance release with bug fixes and SDK updates
Media playback updates, more bug fixes
More fixes for Safari
Improved support for Firefox and Safari
Experimental support for iOS 11!
Even more bug fixes, and bracket highlighting in parameters
Lots of bug fixes