Regenerated MaterialIndex.json - was dated Aug 2021, so Tools/Optimize/Find Material Optimzations had been reporting 5-year-old state. Fresh scan covers 9,055 materials and flags 164 with compression savings (84 unique textures, ~68 MB VRAM potential) for example m16a2 ao on high quality compression = 1.3mb, normal compression with no visual cost = 0.7mb First pass on the free wins: 15 alpha-less DXT5/BC7 textures -> DXT1, ~13 MB VRAM, no quality cost - m2bradley mainbody/armor: removed DXT5 standalone override (5.3 MB) - m16a2 AOs x3, flamethrower AO: HQ -> Normal compression (5.3 MB) - workbench upgrade AOs x2, apartment door mats AO, crate_2/gib/webbing AOs: HQ -> Normal compression (2.2 MB)