This document does not contain any formal proposals. 

The document is a discussion paper that raises questions and highlights challenges regarding the reproduction of immersive scenes for testing in the ATIAS_Ph3-MED work item. While it includes discussion points and questions for consideration (such as "Is any test setup/use case missing?" and "Priority – most/least important use case?"), these are not formatted as formal proposals.

The document concludes by inviting further discussion and contributions but does not present any numbered or unnumbered proposals in the standard 3GPP format.