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 ...
Haptic effect for Oculus touch does not last longer than ~2 seconds
UE - Platform - XR - Jan 30, 2018Haptic effect for Oculus touch does not last longer than around 2 seconds even when set to a longer time. ...
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 ...
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 ...
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 ...
Max Depenetration Velocity cannot be set to zero after setting it to a non-zero value
UE - Simulation - Core - Mar 1, 2021It seems that when setting the Max Depenetration Velocity to a non-zero value, you are then unable to set it back to 0. Tested in //UE4/Release-4.25 @ CL 14469661 and this did not occur so marking ...
Missing binding object for component track in level sequence
UE - Anim - Sequencer - 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 - Architecture - 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 ...
Duplicating actor in level clears some default values
UE - Gameplay - Blueprint - Oct 17, 2016Duplicating actor in level clears some default values. This may be related to changing values within a referenced blueprint. ...