Hello @Luigi Gravel ,
As per the Microsoft documentation https://learn.microsoft.com/en-us/graph/api/site-delta?view=graph-rest-1.0&tabs=http, below is the response you get.
Only above information will be received in response.
I understand that this may affect your use case. I encourage you to submit your feedback on this issue to our feedback portal: https://aka.ms/graphfeedback
This portal is monitored by our product team, and they will consider your feedback for future improvements.
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