Too Long; Didn't Read
Feature acceptance by the client is one of the important phases in the project’s life cycle. The whole point of this step is to successfully sign off the feature with the client and make the release, but to achieve it you have to make sure that all the objectives are met. It often happens when just before the deadline you discover that some functions are acting up or stop working at all. As a result, you get stressed teams and unsatisfied clients. The most frequent problems is when teams do not think through feature requirements.