Lore: Epic Games Open-Sources a VCS Built for Massive Binaries
Game repositories are not web repositories. In an engine the size of Unreal, most of the weight is binary assets, textures, meshes, world partitions, hundreds of MB to several GB each, churned by thousands of artists and developers. Git handles that badly: LFS is a bolt-on dragging whole 2 GB files, dedup is capped by pack deltas, partial clone plus sparse checkout is experimental, and offline means fail.
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