Unreal Engine Issues
Unreal Engine Issues
[CrashReport] Deleting pins on Switch on Gameplay Tag Container node can cause a crash
UE - Gameplay - Blueprint Editor - Mar 15, 2017When adding/removing pins on a Switch on Gameplay Tag Container node, it can cause a crash. There are multiple ways to get this to happen when deleting pins, the order given in the reproduction step ...
Deferred decal does not display when running GTAO.
UE - Graphics Features - Mar 4, 2020Deferred decal does not appear if GTAO is enabled. ...
Enhanced Input duplicately fires input event when used in Widgets.
UE - Gameplay - Input - Jun 9, 2023When creating a UserWidget and creating a process to receive input events with Enhanced Input, input events may be generated multiple times in duplicate. To reproduce this problem, create a Widget a ...
Material Particle SubUV Sample does not work with Tex Object
UE - Rendering - Architecture - Materials - Aug 29, 2025The Particle SubUV Sample node uses its own texture object reference instead of the one provided by the texture object node. ...
Cook Warning "Saving FText which has been initialized from FString" when a user-defined BP structure contains a native C++ struct with an FText
UE - Framework - Blueprint - Sep 23, 2025Consider a C++ struct containing an FText. Now consider a used-defined BP structure containing that C++ struct. When cooking an asset that references such a user-defined BP structure, the following ...
TargetArray nodes are reported as invalid if played in Standalone mode but not in PIE
UE - Gameplay - Blueprint - Feb 20, 2015TargetArray nodes are reported as invalid if played in Standalone mode and the blueprints they are contained in are not rendered. Playing in PIE however works correctly and all blueprints are rende ...
ClothConfigNV is reset when reloading assets that had been saved with 4.24
UE - Simulation - Physics - Character - Jul 21, 2020The new config object is created with the same serialization name as the legacy one "ClothConfigNV", causing the legacy data to be reset prior to migration. Replacing In UClothingAssetCommon::AddCl ...
Missing binding object for component track in level sequence
zComponent - Archive - Mar 13, 2025This issue occurs when clicking on the Rebind Possesable References action in a Level Sequence editor. The component reference appears missing and won't work anymore. It is worth noting that when ...
Morph Targets fail to reset to zero
UE - Rendering - RHI - Jan 6, 2026"We have encountered a regression in UE 5.7 where Skeletal Mesh Morph Targets do not visually reset when all weights are set to 0.0. The mesh retains the deformation from the previous frame. This i ...
Playing two instances of the same level sequence with an audio track will not work as expected.
zComponent - Archive - Mar 11, 2024Two instances of the same level sequence playing audio will cause the audio to stop playing. ...