Unreal Engine Issues
Unreal Engine Issues
Actors transforms broken in cooked builds when their parent is an IsEditorOnlyActor
UE - Framework - Oct 7, 2025When creating a hierarchy of Actors in the Outliner, the transform of the "child" actors will be reset if their Parent's IsEditorOnlyActor property is true. The project in the EPS case is using ...
Crash when force deleting Dataflow Graph
UE - Editor - Jul 31, 2023When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...
Changing Texture compression settings breaks Materials with mismatch on Texture Sample Sampler Type
UE - Rendering - Architecture - Materials - Aug 5, 2015If you change a texture's compression settings, materials will show errors because of a mismatch in the Sampler Type of Texture Samples. This can be fixed by adjusting the Sampler Type and re-savin ...
Rendering a movie captured from Sequence Recorder does not capture accurately
UE - Anim - Sequencer - Nov 18, 2016This was discovered when I wanted to capture a physics bug and was joked to capture it in Sequencer. When attempted, it accurately captured what happened when played in the viewport, but when it was ...
Array OnRep Notification Not Running on Server
UE - Networking - Nov 30, 2016Array variables marked as RepNotify are not calling OnRep on the server when they are not directly set using a Set 'VariableName' node. Found in 4.14.0 CL# 3195953 Reproduced in 4.13.2 CL# 317229 ...
Compiling a blueprint with SetCollisionResponseToChannel Causes Crash
UE - Gameplay - Dec 5, 2016When using a blueprint with a destructible component, you can call the SetCollisionResponseToChannel node of that component in the construction script. As a result the engine will crash when attempt ...
Long delay when multi-selecting bodies in PhAT viewport
UE - Simulation - Physics - Dec 9, 2016REGRESSION Yes, does not occur in Release-4.14 at CL 3215883 When multi-selecting bodies in the PhAT viewport, there is a significant delay between the user clicking and the editor registering the ...
Find Sessions Consistently Returning Results Length of 0
UE - Networking - Feb 24, 2017It appears that as of 4.15, there is an issue with creating/joining sessions. The attached test project worked fine previously in 4.14, but now is unable to join sessions. The user has stated: Th ...
Low FPS in Kite Demo
Tools - Mar 9, 2017When attempting to play the GDC_Landscape_01 map in Editor or as Standalone Game, game plays with very low FPS ~ 3-10 on machines that should be able to handle 30+. While testing for regression, ra ...
Pin wires do not connect correctly after collapse to function and duplication
UE - Gameplay - Blueprint - Mar 20, 2017Pin wires do not connect correctly after collapse to function and duplication. Any node can cause this issue, I used an INT variable because it was quick to test with. Regression: This issue affect ...