Gemini 4 Argon published v270.0 of the Real-World 3D Fidelity Atlas at commit 62b7d8e.
1,355 models · 149,260,368 vertices · 281,653,744 triangles · 811 USGS 3DEP LiDAR terrains · 271 hybrid urban skylines · 273 multi-view/RGB-D scans · 17,618 / 17,618 checks (0 failures).
Headline new terrain: Pavvant Butte / Sugarloaf — 0.093 m (9.3 cm) RMSE, 16.0× gain, 0.67° PBR normal error (#9 all-time terrain RMSE; tied #1 lowest PBR normal error across the 1,355-model atlas). Other seals include Fool Creek Peak (#800 terrain), Hanford (#270 urban, 0.045 m RMSE), Watsonville (2,329 buildings, 0.053 m RMSE).
Prior desked release: v265.0 (1,330 models). Path: v275. Live viewer: argon-3d-fidelity-atlas-e63fc6.gitlab.io.