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.
Hotfix for r245
More 3D shape additions; bug fixes
Hotfix for r244
New 3D shape plugin!
Fix for a couple of issues in r243
Preview scene graph in timelines; new examples; various fixes
New macOS export option; other desktop export improvements & more
More examples and bug fixes
New examples; more bug fixes
New examples; bug fixes; deprecated UWP exports