Unreal Engine Issues
Unreal Engine Issues
Non-deterministic cooking issue in .uexp of level asset file
UE - Foundation - Data Pipeline - Cooker - Jan 17, 2023There is a deterministic cooking issue with .uexp map of level asset. [Link Removed] is the similar issue fixing by CL#19723275, but it still there. ...
LevelInstance: Editor Texture Streaming (UDN)
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2023Further investigate and fix Editor Level Instance texture streaming data update which currently isn't being updated when moving a Level Instance in the editor. ...
Cannot copy from the message log when building with Clang
UE - Editor - Workflow Systems - Jan 8, 2024This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...
Crash when double clicking on RowStruct's CurveEditor
UE - Editor - Applied Usability - Mar 15, 2024This problem can be reproduced with UE5.3 even after applying fix [Link Removed]. We have verified this issue with UE5.1 and it is not reproduced. ...
Metdata 'ForceAsFunction' does not prevent conversion to event
UE - Framework - Blueprint Editor - Mar 6, 2025Quote from the UDN: This is easily fixed with a conditional in bool FBlueprintEditor::ConvertFunctionIfValid(UK2Node_FunctionEntry* FuncEntryNode) which we've done locally, but should probably be ...
Linux Vulkan editor crashes OOM on older graphics cards
UE - Graphics Features - Oct 19, 2018Vulkan editor is very crashy on older cards due to memory pressure. I have to switch to OpenGL to work on the unrelated bugs. I'm attaching the details of the particular failure I had (see VulkanMe ...
gltf 2.0 Blender Polly Import crashes
OLD - Enterprise - Aug 29, 2019Trying to import the Polly sample model for gltf 2.0 crashes Editor. User know that the Plugin is experimental but as the Polly Model is used for Blender gltf development, it should work. The crash ...
'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type
UE - Gameplay - Blueprint - Mar 25, 2015'Directions are not Compatible' error on ForEachLoopWithBreak if split struct pin is disconnected from Enum type. Note: If the pins are reconstructed and the resplit, the error is fixed. ...
ScrollBox: Add Inertial Scrolling (Touch)
UE - Editor - UI Systems - Oct 16, 2015Verify that inertial scrolling works in the ScrollBox and the ListView on touch devices. We have reports that it isn't working in 4.9, it may have been fixed since then, or not be as smooth as it c ...
WmfMedia: Track switching does not work
Media Framework - Aug 31, 2016Track switching is currently not supported, because media with multiple tracks of the same type fail to load. Once that is fixed, implement run-time track switching. ...