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 feature bonanza! Three new plugins & much more
Some more changes and a few SDK updates
New template; several smaller additions; a few more bug fixes
Memory management for C3 runtime; new 'Falling shapes' template; bug fixes
Lots of updates for new C3 debugger and C3 runtime
All-new debugger; gamepad rumble; C3 runtime feature-complete
Kongregate export option; Mobile Advert improvements; fixes for tilemaps and animations editor
New templates, bug fixes, more C3 runtime improvements
C3 runtime updates; bug fixes
Fix for C3 runtime exports