Hello Cornelius!
Certain tasks from the exam outline were definitely included in the exam (e.g. inform stakeholders of approved project charter, conduct kick-off meeting or archive project documents) that really don't get covered in the PMBOK. Question scenarios that ask what to do next or what got missed sometimes included these tasks as possible answer choices. When evaluating the answer choices on the exam, knowing these tasks were considered an important part of Initiating, Planning, etc., sometimes helped in my selection of the best answer.
Perhaps others with recent exam experience can also weigh in with their take on the importance of the exam outline.
Thank you so much for the terrific resources!
Anne Marie