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    Insights from the Build Pipeline

    Deep dives into Unreal Engine CI/CD, build optimization, DevOps best practices, and lessons from the trenches of game development infrastructure.

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    Last Week in Unreal — Apr 13-19, 2026
    Last Week in Unreal

    Last Week in Unreal — Apr 13-19, 2026

    1200 commits. New Fog Screen Space Scattering system with rapid iteration. Vulkan dynamic rendering flipped to default on desktop. Mass Entity deadlock and memory leak fixes. Windows SDK upgrade. TObj…

    AK
    Abraham K

    Latest Articles

    Last Week in Unreal — Apr 6-12, 2026
    Last Week in Unreal

    Last Week in Unreal — Apr 6-12, 2026

    1065 commits. Viewport ownership model rewritten for memory safety. PCG manual editing landed. Epic building MCP server and AI Toolsets into the editor. Shader hash migrated from SHA1 to xx64. Six race condition fixes across core subsystems.

    AK
    Abraham K
    How to Read UE Build Logs Without Losing Your Mind
    The Hard Way

    How to Read UE Build Logs Without Losing Your Mind

    Most people Ctrl+F ‘error’ and hope for the best. After three years of doing that, I learned a system that actually works.

    AK
    Abraham K
    Last Week in Unreal — Mar 30 – Apr 5, 2026
    Last Week in Unreal

    Last Week in Unreal — Mar 30 – Apr 5, 2026

    1009 commits. SSAM memory leak fix for streaming games. Vulkan bindless descriptor heap overhaul. Ray tracing race condition fixed. 27 backouts including a three-attempt SlateIM rework. PCG GPU compute maturing toward production.

    AK
    Abraham K
    Last Week in Unreal — Mar 23 – 29, 2026
    Last Week in Unreal

    Last Week in Unreal — Mar 23 – 29, 2026

    944 commits. Tonemapping LUT pipeline reworked. Lumen disocclusion fix plus hair strands GI. Shader hashing moves to xxHash64. MallocBinned4 appears. And the MCP toolset explosion hits four weeks running.

    AK
    Abraham K
    Last Week in Unreal — Mar 16 – 22, 2026
    Last Week in Unreal

    Last Week in Unreal — Mar 16 – 22, 2026

    1,139 commits. Nanite ray tracing gets GPU-driven BLAS caching. SSS reworked for separated diffuse luminance. RHI submission pipeline drops latency. RigVM nativization converts Control Rig bytecode to C++. And Epic’s AI editor tooling hits week three.

    AK
    Abraham K
    Last Week in Unreal — Mar 9 – 15, 2026
    Last Week in Unreal

    Last Week in Unreal — Mar 9 – 15, 2026

    1026 commits. 20+ crash fixes across the engine. MegaLights picked up async compute and sharper denoising. A coordinated batch of programmatic toolset commits hints at AI-assisted content authoring infrastructure taking shape inside the editor.

    AK
    Abraham K
    Last Week in Unreal — Mar 2 – 8, 2026
    Last Week in Unreal

    Last Week in Unreal — Mar 2 – 8, 2026

    Lumen shed 32MB of memory with no quality regression. MegaLights absorbed cloud shadows and IES profiles — its fifth consecutive week of feature expansion. 5.7 deprecation cleanup is live: 109 files of Core/CoreUObject API removals. If you have a C++ plugin, this is your warning.

    AK
    Abraham K
    Last Week in Unreal — Feb 23 – Mar 1, 2026
    Last Week in Unreal

    Last Week in Unreal — Feb 23 – Mar 1, 2026

    Lumen and MegaLights received aggressive memory and correctness fixes — including a UNORM packing bug causing artifacts on AMD GPUs. Nanite Ray Tracing gained reference instance support for BLAS streaming, signaling a move from experimental to shippable. NVIDIA contributed Linear Swept Spheres for hair ray tracing.

    AK
    Abraham K