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 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
Hotfix for issue in r66.2
Another patch to fix some bugs
Several bug fixes and improvements
Hotfix for two issues in r65