IVAS codec levels
Based on my analysis of the document, there are no proposals explicitly marked in this 3GPP document.
This is a Change Request (CR) document (S4-260238) that proposes modifications to specification 26.117, but it does not contain any sections labeled as "Proposal", "Proposal:", "Proposal X:", etc. The document contains:
The document appears to be a CR form that directly specifies changes to be made to the specification rather than proposing them in the typical proposal format.