Unreal Engine-native CI/CD.
Joined March 2026
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Photos and videos
770 commits on ue5-main last week.
Epic starts building a first-party MCP layer inside the editor. UnrealBuildTool exposes every compiler warning in BuildConfiguration.xml. A UBA deadlock fix lands in its CAS store. Chaos Cloth becomes ray-tracing-visible.
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A Churny Stability Week.
Genuine crash fixes across Mass, StateTree, Mover, LearningAgents, Media IO, and OpenXR, set against 22 backout commits. The fixes cluster around active gameplay-systems work, but the backouts say this was an unstable stretch, not a clean landing.
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Full breakdown with urgency tags for every section, what to act on now vs. what to track.
speedrun.ci/blog/last-week-i…
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Jun 8
707 commits on ue5-main last week.
Epic deletes the on-demand ray tracing toggle. A Nanite encoding determinism fix quietly restores DDC hit rates. The editor's AI Assistant gets Python and Blueprint hooks. Next-gen serialization starts staging behind a flag.
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Jun 8
Linux Build Parity OpenTelemetry.
Linux import-lib linking goes through UbaObjTool (ELF stub), matching Windows. UnrealBuildTool consolidated tracing onto OpenTelemetry across ~60 files; zenserver v5.8.15 added OTel hub metrics. Build telemetry is standardizing on one format.
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Jun 8
Full breakdown with urgency tags for every section, what to act on now vs. what to track.
speedrun.ci/blog/last-week-i…
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Jun 1
784 commits on ue5-main last week.
ControlRig anim node lands inside the new UAF runtime. MIR translator drops 40 parity-chase commits. MegaLights gains directional transmittance. UnrealAndroidFileTool gets fully reverted.
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Jun 1
SODB Hits the Cook Path.
Shader Object Database compilation now runs as a post-cook step for Lyra and CitySample. Also a standalone cloud artifact. The approach is being validated on real project shapes, not toolchain-only territory.
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Jun 1
Full breakdown with urgency tags for every section, what to act on now vs. what to track.
speedrun.ci/blog/last-week-i…
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