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.
Drag-drop objects to layers bar; new in-progress Korean translation; lots of bug fixes
Lots of new additions, changes and fixes
Hotfix for r77
More reliability fixes
Some more bug fixes
Bug fixes, new SDK features
Hotfix for r75 and new in-progress Italian translation
Improved text rendering, bug fixes, updated languages
iPhone X viewport support, in-progress Hungarian translation, and several bug fixes
Russian translation, four new in-progress languages, and lots of bug fixes