The UsdPreviewSurface spec was recently[1] updated to version 2.5 where they now specify a full 10x10 grid as being supported. This just makes a minor change on our side to accommodate this adjustment (as rare as it may be). [1] Looks to have been added as part of USD 23.11 https://openusd.org/release/spec_usdpreviewsurface.html#version-2-5-current-head Pull Request: https://projects.blender.org/blender/blender/pulls/127989