Unreal Engine Issues
Unreal Engine Issues
Wind Directional Source is not updated when changing values via blueprints
UE - Gameplay - Blueprint - Sep 29, 2014CL: 2306964 Link: https://answers.unrealengine.com/questions/105058/speedtree-wind-dir-source-actor-not-refreshing-fro.html Description: Cannot set the Wind Directional Source component settings via ...
USplineComponent::GetDistanceAlongSplineAtSplineInputKey returns incorrect result when input keys are not sequential
UE - Editor - Workflow Systems - May 18, 2022USplineComponent::GetDistanceAlongSplineAtInputKey() returns the wrong value when the input keys are not sequential because it interprets the input key argument as the spline point index. Thus if th ...
PlayMontages can break after binding an actor with an AnimInstance inside a LevelSeuqence.
UE - Anim - Sequencer - May 28, 2025When an Animation Sequence is overridden by a LevelSequence, and later reverts to its original animation state, the AnimInstance fails to properly reinitialize. This prevents subsequent animation lo ...
Selection outline not visible when actor is selected on certain AMD GPUs
UE - Graphics Features - Apr 18, 2017When selecting an actor in the viewport, some AMD GPU users are reporting that the selection outline is not visible. Rolling drivers back to 17.1.1 correct the behavior.| Two EngineQA tester have ...
Crash after adding Virtual Bone, then Creating Asset
OLD - Anim - Jul 5, 2017Occurs on? 4.16 - 3466753 - YES 4.17 - 3521650 - YES Error message: Assertion failed: RefBonePose.Num() == NumBones [Link Removed] [Line: 4400] Source Context:4387 ResetAnimation(); 4388 ...
Crash reimporting an FBX with LODs and Morph Targets, but leaving "Import LODs" disabled
UE - Editor - Content Pipeline - Import and Export - Jan 4, 2017Error message: Assertion failed: ImportedResource->LODModels.IsValidIndex(LODIndex) [Link Removed] [Line: 282] Source Context: 270 * Constructor. 271 * Converts a skeletal mesh to ...
The CompileAllBlueprintsCommandlet does not list the BPs contained in UWorlds
UE - Framework - Blueprint - Dec 16, 2024hThe use case of the licensee is that he used FindInBlueprints inside the Editor to find a particular text contained in BPs and later used that listing to recompile the BPs using the CompileAllBluep ...
OpenGL: Nvidia: Crash when using foliage tool
UE - Platform - Linux - May 7, 2015As reported by user, using foliage tool in a first person project eventually crashes it. "Currently, any attempt to render objects created with the foliage tool crashes the UE4 editor on my machine ...
Crash when toggling the SmartLinkEnabled state of a NavLinkProxy specifically in a packaged game targeting Debug/Development
UE - AI - Navigation - Jan 24, 2025The licensee has reported, and I was able to reproduce, that specifically in package builds targeting Development configuration, trying to toggle the SmartLinkEnabled state of a NavLinkProxy will cr ...
Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to crashing the engine
UE - Anim - Sequencer - Mar 17, 2025Enabling Override Instance Data to a LevelSequencerActor that has a Shot Track can lead to an Actor being translated really far, or even a crash in the engine. The licensee has encountered a particu ...