This is the new HEAD - all new features and bug fixes will go here until the next major update.
New code goes o Github: https://github.com/linnovate/openideal/
The 7.4 version is based on the 7.2 release, with numerous bug fixes and improvements, especially around stability and ease of install, but also new features.
The code is being managed in github (https://github.com/linnovate/openideal/), and so should issues.