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.
Some final bug fixes
Updates for iOS & Android apps; fixed regression
Timeline updates; engine updates; bug fixes
More scripting updates; performance improvements; bug fixes
Timeline ease curve editor; more scripting updates
Lots of updates for JavaScript coding
Introducing JavaScript coding in Construct!
Maintenance update with bug fixes and editor loading optimisations
Comments in actions, 'Wait for previous actions to complete' & more
Patch for r147