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.
Lots more script interfaces; various improvements and bug fixes
Drawing Canvas fixed resolution; lots more improvements and bug fixes
Functions 'Copy picked'; more Android updates; bug fixes
Export WebP; auto-keyframing; Android update & more
Some last changes
Bug fixes
Further timeline improvements; bug fixes
More timeline improvements; bug fixes
Better local font support; 8-direction sliding; bug fixes and improvements
Patch for r296