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.
Updated Pin behavior; bug fixes
Updates for folder projects, scripting autocomplete improvements
Scripting updates, guided tour fixes, and more
Guided Tours, autocomplete string variables, usability improvements & more!
Bug fixes, candidate for stable release
Maintenance release
More bug fixes
Bug fixes
Improved PNG compression; bug fixes
Patch for r183