Unreal Engine Issues
Unreal Engine Issues
AI Perception UnregisterSource Sense == nullptr does not affect pending adds
UE - AI - Perception - Jun 15, 2022UAIPerceptionSystem::UnregisterSource according to its documentation should treat Sense == null as targeting all sources, but the code for removing pending sources does not treat Sense == null as th ...
Editor crash when adding to Instanced Static Mesh Component is created/populated at runtime.
Tools - Sep 26, 2017If NewObject is used to create an instanced static mesh component at runtime, populating the component with AddInstance causes the editor to crash. Regression: Yes - repro steps provided did not cr ...
Clearcoat material behaves differently between 5.5 and 5.7
UE - Rendering - Graphics Features - Jan 16, 2026Starting with Unreal Engine 5.7, specular reflections on clearcoat Materials are less pronounced. Unreal Engine 5.5 tests performed on //UE5/Release-5.5/, CL: 41545209 ...
WidgetInteractionComponent Simulate Key Press/Release only works the first time
UE - Platform - XR - Oct 6, 2022Occurs 3/3 times. Working around this includes closing the menu and reopening it to reset the button(s). The expected behavior is that the user should be able to select Reset Orientation repeatedly ...
Actor references in Level Blueprint show an incorrect display name after converting the project from 4.6.1 to 4.7 Preview or 4.8
UE - Gameplay - Blueprint - Jan 26, 2015Actor references in Level Blueprint show an incorrect display name on their nodes after converting the project from 4.6.1 to 4.7 Preview or 4.8. Reproduced in 4.7.1 Preview 4 and in Main (Promotabl ...
Editing bsp within folder in world outliner will unhide bsps within a subfolder
UE - LD & Modeling - Modeling Tools - BSP - May 4, 2016Editing bsp within folder in world outliner will unhide bsps within a subfolder Regression (No) issue (does) occur in 4.10.4 ...
Refreshing node does not resolve error and causes tooltip to display another line with same message with each refresh.
UE - Gameplay - Apr 14, 2017Clicking the compile button in the Blueprint editor resolves the error. ...
Update Capture causing Post Process Flickering across whole scene
UE - Graphics Features - Jun 30, 2015When a Scene Capture Actor is updating the content via an Update Content Node, the Static meshes in the world will flicker or pulse according to the update timer for the Scene Capture Actor. This o ...
SetActorLocation does not affect WheeledVehicles
UE - Simulation - Physics - Sep 21, 2015When using SetActorPosition() on a WheeledVehicle, it does not affect it in any way. This worked previously in 4.8. This has also been tested in main CL# 2698791 This may be related with: https:// ...
The Component Details tab stops working after setting a Blueprint-owned ChildActorComponent class to AbstractNavData and then reloading the Blueprint asset.
UE - Gameplay - Blueprint Editor - Jun 29, 2017Choosing 'AbstractNavData' as the class for a ChildActorComponent inside a Blueprint class and then relaunching the editor seems to break component details panel editing the next time the Blueprint ...