Unreal Engine Issues
Unreal Engine Issues
Cannot use local space gizmos when actors are grouped
UE - Editor - Workflow Systems - Apr 12, 2022Distance Cull Fade Node on Material does not work with Skeletal Mesh
UE - Rendering - Architecture - Materials - Apr 22, 2022The licensee reports that this issue is caused by the following code not performing a Buffer update. .\Engine\Source\Runtime\Renderer\Private\ShaderBaseClasses.cpp void FMeshMaterialShaderElementD ...
Interactive changes from In-Camera VFX widgets are not transacting to nDisplay until mouse is released
UE - Virtual Production - nDisplay - Oct 20, 2022Stop using power of 2 RTs for landscape edit layers
UE - Graphics Tools - Terrain - Landscape - Apr 4, 2023Result : all the RTs allocated for edit layers (in global merge mode) will be padded to the next power of 2 for no good reason, which can lead to out-of-VRAM (as reported by [Link Removed]) ...
iOS ReplayKit isn't working in UE5.1+
UE - Platform - Apple - Apr 21, 2023In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...
Enhanced Input Action Key Remapping maps old mapping over incoming mapping in an unintuitive way
UE - Gameplay - Input - Mar 7, 2024On EnhancedInputSubsystemInterface.cpp:1040, RebuildControlMappings has a check to preserve mappings for identical action key maps. In most cases, this appears to work correctly; however, in the cas ...
Assert triggering when trying to copy-paste an empty CurveAtlasRowParameter node in the material editor
UE - Rendering - Architecture - Materials - Mar 25, 2024A check happens when copy/pasting a Curve Atlas Row Parameter Expression that has no value. This behavior also exists on CL 32426910 of Release-5.4. ...
Crash when searching for a string with the same name as the collection
UE - Editor - Workflow Systems - Feb 28, 2025The editor crashes when creating a local collection of the same name by typing certain characters in the search box of the content browser. This does not reproduce in UE5.4 and is a regression in UE ...
Crash when calling SetState inside state machine OnUpdate
UE - Anim - Runtime - Anim Blueprints - Sep 5, 2025The crash happens when SetState is called inside the function bound to OutputAnimationPose’s OnUpdate in the animation state. This way of using Set State node is the same as shown in the official do ...
USD Export - crashes when sub level holds level instance
UE - Editor - Content Pipeline - USD - Mar 27, 2026The engine is crashing when the user tries to export from a persistent level with a sub level that contains a level instance. ...