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 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
User interface improvements, bug fixes