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.
Bug fixes, new SDK features
Hotfix for r75 and new in-progress Italian translation
Improved text rendering, bug fixes, updated languages
iPhone X viewport support, in-progress Hungarian translation, and several bug fixes
Russian translation, four new in-progress languages, and lots of bug fixes
Hotfix for r70
Lots of bug fixes, and a new in-progress Czech translation
Hotfix for two issues in r69
More maintenance and bug fixes
Maintenance release + SDK update