Unreal Engine Issues

[CrashReport] UE4Editor-Engine.dylib!FShaderCompilingManager::ProcessCompiledShaderMaps()

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[Rhino Reimport] - Scaling an object inside rhino and re-importing in Unreal dup staticmesh actors

Hierarchical Instanced Static Mesh component culls before it is completely off screen

Hierarchical Instanced Static Mesh component culls before it is completely off screen. This only seems to happen with more than 3-4 instance elements. This also does not happen with Instanced Static ...

Engine Scalability Foliage Quality not being applied automatically

Engine Scalability Settings for Foliage Quality are not applied to foliage meshes automatically. Found in 4.17.2 CL 3658906, 4.18.1 CL 3754814, and 4.19 Main ...

Materials displayed in Material Editor are jittery / shaky on Linux

Materials displayed in the material editor do not appear the same as on Windows platform. Edges of the material sphere appear jagged and flicker on Linux rather than being a crisp circular line (se ...

Lightmaps on Mobile Devices Appear Dirty and Blurry

When deploying project to a mobile device, the quality of the baked lighting and shadows becomes very poor compared to "Mobile Preview." Lightmaps appear dirty and blurry, with splotches (As shown i ...

[CrashReport] UE4Editor_Landscape!DeleteLayerIfAllZero() [landscapeeditinterface.cpp:2300]

This is a semi-common crash in the 4.18 release. There is one recorded case of this callstack also occurring back in the 4.11 release, but it seems to be an exception. All other cases have only occu ...

Overriding blueprint function first in grandchild class then in child class renames grandchild function

If you have a blueprint A with a child blueprint B, and child of the child blueprint C, overriding a function with a return parameter originally declared in blueprint A in the blueprint C, and then ...

[CrashReport] UE4Editor-UnrealEd.dylib!FEditorModeTools::MouseMove()

This is an infrequent Mac crash. Users have not provided any descriptions. Callstack from LogGeneratedClass '/Game/Maps/World.World_C' with ClassGeneratedBy '/Game/Maps/World.World:PersistentLevel. ...

[CrashReport] UE4Editor_Engine!CheckSingleJob() [shadercompiler.cpp:749]

This is a common and longstanding crash that has occurred since at least 4.14. Users have not provided any useful descriptions of their actions when the crash occurred. Source Context 740 ...