Unreal Engine 4.15 Preview 1 Brings AArch64 Linux Support

Unreal Engine 4.15 is making OpenGL ES 3.1 / Metal / Vulkan editor feature level no longer experimental, there is now experimental content hot-reloading, Linux ARM64/AArch64 is now supported, finalized work on texture streaming optimizations, extended support for Apple’s Metal API, new nodes have been added to the material graph, and a wide variety of other updates.