If a program repeatedly shows separate feature branches rather than a true system demo, which practice should be reviewed to address the issue?

Continuous Integration tool is used to address the issue of separate features branch of program.

Explanation:

Continuous integration process comprise of three main objectives such as improvement, delivery and development of the software. In contentious integration tool all the people  three objective specialist are work together to make program better.

Continuous integration is a platform that is used to detect the problems in a code that need to be corrected. The code is store in the repository of the tool that needs correction. The reviewers review the code in different portions of the code and identify and resolve the problem. There are multiple contributors to correct the code.