KB85868: Drilling keeps the parent in MicroStrategy Library 2021, when using a Graph visualization.

Starting with the release of Strategy ONE (March 2024), dossiers are also known as dashboards.
SYMPTOM
Drilling on a graph visualization keeps the parent in Strategy Library 2021, even though the configuration has been done to not keep the parent while drilling.
STEPS TO REPRODUCE 
These are the steps to reproduce in Strategy Tutorial:

• Log to the project in Strategy Web
• Make sure that in Web preferences, the "Keep parent while drilling" setting is set to No, as shown below:

• Create a new dossier and add the following existing objects:
  
• Month, Quarter and Year attributes
• Profit metric
• Create a vertical bar chart visualization and add Month and Profit. It should look as below:

• Right mouse click on any of the bars and drill to Year. The Month attribute is not kept in the visualization:

• Revert the changes from the previous step and open the dossier in Library. Drill to Year. The Month is kept:

This issue does not occur in Workstation.
CAUSE
This is an issue with Strategy 2021, which is currently being reviewed for by our Technology team.
ACTION
The issue has been fixed in Strategy 2021 Update 9, please upgrade to 2021 Update 9 to take a fix.