Unreal Engine Issues
Unreal Engine Issues
Ignore Base Actor Rotation set to false continues to ignore base actor rotation
UE - Gameplay - Apr 14, 2015Setting Ignore Base Actor Rotation to false continues to ignore base actor rotation when standing on an object that is spinning. ...
Blueprint Instanced static meshes generated in construction script do not bake lighting properly
UE - Graphics Features - Mar 12, 2015Blueprint's with an instanced static mesh that has instance components added via construction script will fail to build lighting correctly when the pivot is placed outside the lights radius. This ...
Implemented Interfaces are not added to nativization list
UE - Gameplay - Blueprint Runtime - Jan 25, 2017Implemented interfaces are not added to the list of assets to nativize when the blueprint class that implements them is flagged for nativization, saved, and compiled. This results in a package failu ...
Crash on Mac when adding Convex Collision to a mesh converted from a brush
UE - Platform - Apple - Jun 6, 2017This is one of the top Mac crashes occurring in 4.16. Caused by adding Auto Convex Collision to a mesh converted from a brush. Does not occur on Windows. User DescriptionsI was trying to add a conv ...
[CrashReport] UE4Editor_Landscape!ULandscapeInfo::RegisterActor() [landscape.cpp:1882]
UE - LD & Modeling - Terrain - Landscape - Aug 28, 2017This is a common crash coming out of the 4.17 release. User Descriptionstrying to delete landscape related stuff A similar callstack was seen in an older issue, [Link Removed]. Source Context ...
Compile warning/error in the FUpdateCollisionResponseHelper destructor
UE - Simulation - Physics - Dec 15, 2017It has been reported that when building with Visual Studio 2017 version 15.5.1, a warning/compile error is shown in BodyInstanceCustomization.cpp: warning C4287: '<': unsigned/negative constant mism ...
Connection to dedicated server no longer works on iOS devices
UE - Networking - Oct 11, 2019"Looks like the cause of this is commit fb473a7 ( https://github.com/EpicGames/UnrealEngine/commit/fb473a7678c3669bebe0431dacaf52bcf8dee47f#diff-e6f727710008f31c0ece339b76041d2e ) included in v4.23. ...
Calling Array_Identical in a blueprint results in a compile failure with nativization
UE - Gameplay - Blueprint - May 13, 2020REGRESSION Does not occur in 4.24 Blueprints that call Array_Identical results in a failure during nativization:F:/Projects/Release/TestNativizeArray/Intermediate/Plugins/NativizedAssets/Windows/Ga ...
Screen Probes and Specular Firefly Flickering near screen edges
UE - Rendering - Graphics Features - Lumen - Aug 6, 2024Lumen's rough specular indirect lighting buffer can have fireflies along the bottom and right edges of the screen. Also tested in //UE5/Main, CL: 35177423 ...
Subsurface Scattering Checkerboard with SceneColourFormat 3 (High Scalability) leads to a visual artefact when temporal upscaling is in use
UE - Graphics Features - Sep 30, 2024Primarily visible at very low internal resolutions (25-33%), the SSS checkerboard with an RGB scene colour format (r.SceneColorFormat 3) causes a double-image artefact both internally and on the sil ...