Unreal Engine Issues
Unreal Engine Issues
Root Motion Not Retained when Retargeting Animation Assets from UE4 to UE5
UE - Anim - Rigging - Retargeting - Apr 12, 2022Occurs 5/5 Times RootMotion of an animation asset is not retained when retargeting Root Motion Animation asset from UE4 to UE5. ...
City Sample - Parked Cars, Traffic, and Crowds do not spawn while in PIE
UE - AI - Mass - May 1, 2023Repro Rate 10/10 Issue is a Regression as it doesn't occur in 5.1 Parked Cars, Traffic, and Crowds spawn in as expected when launching the project in Game Mode or a Packaged Build Going into the ...
During blueprint reparenting SimpleConstructionScript subobject unmodified values are retained as modified values
UE - Framework - Blueprint Editor - Nov 27, 2024When reparenting blueprints and both the old and new parent blueprint contain a subobject but with different values on it, the reparented blueprint doesn't correctly inherit values from the new pare ...
Crash on adding elements to a TMap property
Tools - Jul 25, 2019Adding elements to a TMap<int32, int32> causes the editor to crash if the TMap has a default value associated with it. Tested in 4.22 (CL - 4753647), 4.23 (CL - 7445012), 4.24 (CL - 7605614) ...
Overriding a struct member field's default value on a BP-added component in a BP asset will no longer allow the user to edit that struct member on instances of that BP's component if the member is deprecated.
UE - Framework - Blueprint - Oct 19, 2023Properties that are deprecated are (incorrectly) not currently being propagated to instances by the duplication logic that we use to instance BP-added components as part of Actor-based BP constructi ...
Water is missing or appears in wrong places due to incorrectly rendered WaterInfoTexture.
UE - Graphics Tools - Terrain - Water - Jun 16, 2025Water is missing, appears in strange blocks, or appears in wrong places due to incorrectly rendered WaterInfoTexture. The WaterInfoTexture is part of the WaterZone actor. ...
Projects with "TargetPlatform" set as a dependency cannot be packaged to Windows 64-bit if the project is made using the binary version of the Editor..
UE - Foundation - Core - Apr 10, 2015Including "TargetPlatform" as a private dependency of a code project created using the binary version of the Engine prevents the Editor from being able to package the project for Win64. Removing the ...
Grandchildren of UDataAsset are not properly registered by the Asset Manager
UE - Gameplay - Sep 19, 2017Any child class of UDataAsset (parent) will properly be picked up when the Asset Manager's Asset Base Class" field is set to the appropriate class. However a grandchild class (Child) with the same ...
ARCore Non-AR Camera inherits AR Camera rotation
UE - Platform - XR - Jul 25, 2018When transitioning from AR map/pawn to Non-AR map/pawn the direction the phone is facing is applied to Non-AR pawn. Only occurring on Android/ARCore Also tested in Main CL #4229747 Tested with Pi ...
Collision Problems on Meshes with Collision Complexity Setting UseComplexAsSimple
UE - Simulation - Physics - Dec 20, 2018Collision does not appear to work properly on a static mesh that is set up with UseComplexCollisionAsSimple. ...