• Show selection steps
  If checked, the selection history window at the bottom of the heap walker is shown.
• Show view helper dialog for new object sets
  If checked, the view helper dialog will be displayed when a new object set is created.
• Timeout for long operations
  Computationally expensive operations, like sorting or calculating the path to root can take a very long time, depending on the size of the heap. To avoid blocking the user interface, these operations time out and return with partial results. If a timeout occurs, you are notified and the amount of work done in percent is reported. The default timeout is 30 seconds, you can increase it as needed.

Note: Unlike for the allocation call tree, there is no "cumulate allocations" option since the view mode combo box in the allocations view of the heap walker offers both an "allocation tree" and a "cumulated allocation tree".

• Size scale
  You can select size scale, just like in the recorded object view settings.
• Show object IDs
  If checked, all objects in the reference graph are annotated with object IDs. This can help you in checking if two objects in two different reference graphs are the same or not.