Unreal Engine Issues
Unreal Engine Issues
UMG Widget Hierarchy auto-expands on simple changes causing frustration and a slow work flow
UE - Editor - UI Systems - Oct 10, 20161. Create a hierarchy in UMG that has a couple layers deep of children such as vertical boxes that have multiple children that are vertical boxes, widget switchers .. 2. Collapse all children in th ...
For a TMap with C++ enum keys, deleting and re-adding a map entry in the Editor can corrupt the map data.
UE - Editor - Workflow Systems - Jul 19, 2024When adding an entry to a TMap using UE's property editors, in most cases the new entry comes with a default-initialized key (if such key already exists, the insertion fails). The case of a UENUM de ...
A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work.
UE - Simulation - Physics - Nov 22, 2024A welded hierarchy blocks updates to collision settings on all but the root primitive. Calling SetCollisionResponseToChannel on the children won't work. The licensee noticed that IPhysicsProxyBase* ...
Montage Section Links Don't Update When Section Deleted
UE - Anim - Gameplay - Mar 21, 2025Hi there, I noticed that there is a problem with Montage Section links not updating when a section is deleted from a montage asset. We had a montage with a "Default" section and a "Loop" section. ...
Engine crashes with AudioMixer if the sound is disabled in the system
UE - Platform - Linux - May 16, 2019Seems like failure to init SDL device is not being properly propagated and something on the higher level keeps pushing commands to the (non-existent?) audio thread. Paging also [Link Removed] and [ ...
Deprecated blueprint variable fixups may fail depending on loading order
UE - Framework - Blueprint - Mar 7, 2024There is currently no simple way to do a deprecated variable fixup on native variables that are set by a blueprint class. For a simple variable rename, CoreRedirects can be used and will work proper ...
[CrashReport] UE4Editor_ClothingSystemEditor!UClothingAssetFactory::CreateFromSkeletalMesh() [clothingassetfactory.cpp:357]
UE - Simulation - Physics - Character - Aug 21, 2017This is a trending crash occurring in 4.17 and 4.17.1. Users have not provided any descriptions of their actions when the crash occurred. Source Context 345 if(Params.bTryAutoFix && Param ...
Landscape nanite height mismatch
UE - Graphics Tools - Terrain - Landscape - Oct 17, 2023From licensee: The height of Nanite rendered landscape does not match the height of non-nanite landscape. The error gets worse if you increase the Z Scale of the landscape actor. Our project rec ...
Bug: Relative File Paths for Asset Source Files are Incorrectly Generated for Engine and Engine Plugin Assets
UE - Editor - Content Pipeline - Nov 21, 2024When importing an asset like a Texture asset using the steps mentioned in the Repro steps, the imported asset does not have the correct relative path listed under the newly-created asset's "Source F ...
Resave commandlet broken when using BuildEnvironment = TargetBuildEnvironment.Unique;
UE - CoreTech - May 14, 2024The explanation from the licensee seems pretty comprehensive. Text from the UDN: We've been trying to run fixupredirects via the resavepackages commandlet, but noticed that the OFPA assets were no ...