Unreal Engine Issues
Unreal Engine Issues
Split Pins on a referenced Macro Library will crash the editor on restart
UE - Gameplay - Blueprint - Mar 3, 2016Split Pins on a referenced Macro Library will crash the editor on restart 2 callstacks include, one for 4.10.4 and one for 4.11 Preview 6 User Description: I got some macros in my Object Macro Li ...
Invalid GUIDs on new material instance parameters cause overrides to break on base param rename
UE - Rendering - Architecture - Materials - Sep 3, 2025When a parameter value is assigned on a newly created material instance (constant or dynamic) using Set***ParameterValueInternal, the parameter’s ExpressionGUID is left invalid (0,0,0,0). Parameter ...
Input Axis Continues to Fire After Standalone Window Loses Focus
UE - Editor - UI Systems - Slate - Feb 17, 2016When using an input axis for a task such as moving a character, losing focus on the standalone window while holding the key does not stop the axis from firing, which means the character will continu ...
Landscape Components No Longer Editable after Undoing Component Deletion
UE - LD & Modeling - Terrain - Landscape - Oct 20, 2015When working in Manage Mode with Landscapes and deleting a component, if you undo the deletion, you can no longer modify or select the component. I did attempt to rebuild the scenes lighting and ge ...
UnrealVS "Refresh Projects" fails for projects
UE - Foundation - Cpp Tools - UnrealVS - Nov 10, 2015Using the Refresh Projects button in the UnrealVS toolbar will fail for projects because it can't find the "GenerateProjectFiles.bat" file for the specified project. Licensee reporting the issue me ...
Adding assets to a project on a drive that is full still creates the file at the desired location instead of in a temporary location and provides no information as to why the asset is failing to load, corrupting the asset
Tools - Oct 31, 2016Adding assets to a project on a drive that is full still creates the file at the desired location instead of in a temporary location and provides no information as to why the asset is failing to loa ...
Given specific, non consistent, network connections, replication of some data can result in incorrect values
UE - Networking - Nov 2, 2016I appears to be possible to replicate a value and when the value gets to the client(s), it doesn't match what was sent from the server. In the project, ReplicatedActor is created by the Authority. ...
[Mac] [Preview] Texture nodes do not clip behind parts outside of the graph editor until the node is completely obfuscated
UE - Platform - Apple - Mar 10, 2016When using the Material editor, the preview slides on the texture nodes do not clip behind the other elements of the UI as the nodes do. This issue only occurs on Mac OSX El Capitan version. It was ...
Collision profiles are reset when blueprint is loaded
UE - Gameplay - Jan 6, 2025In UE 5.5 (and earlier versions), FCollisionResponse::operator== has incorrect behavior where it will detect that two collision response containers are identical if they have the same number of entr ...
Material expression If node has been broken, major regression that shipped in 4.6
UE - Graphics Features - Dec 9, 2014This sounds legit. Anyone mess with the if node recently? There seems to be a regression where existing content is broken. This should be fixed ASAP and patched into 4.6. https://forums.unrealen ...