Unreal Engine Issues
Unreal Engine Issues
Regression: Visibility property is not seen in the animation track in UMG
UE - Anim - Sequencer - Mar 6, 2017Visibility track in 4.15 launcher version is not visible. Converted projects from previous version which already had this track, but cannot create new one. If I add Interp keyword in the UPROPERTY, ...
Previewing Node in Material Editor Produces Unexpected Output with DX12
UE - Graphics Features - May 16, 2018Per Licensee: Since we switched to DX12 we started to see strange behavior in material previews. I was able to reproduce the problem in UE 4.19 vanilla as well. We usually have to force recompilin ...
Behavior of NewBinding and ExistingBinding are different inside Shot track
UE - Anim - Sequencer - Jul 6, 2018When using NewBinding, the bind does not work properly with the level sequence specified by ShotTrack. The cause is that Guid of ExistingBindingID will be empty when passing through ActorPicked in ...
Set Range Animations imported from 60Hz frametime is halved
Tools - Aug 3, 2018Reported by a licensee on UDN, this bug is fallout from the fix made for the following Jira:[Link Removed] - Fbx importer: animation range import is broken when importing 60Hz anim The attached ass ...
Query Params are ignored when using EQS
UE - AI - Jun 26, 2019Trying to set the Bool Match as a Query Param causes the value to not be recognized. It just thinks the value is whatever default value it has instead of reading it from the params set in the Behavi ...
Rare assertion comes up when cooking if sequencer camera track has only additive transform track
UE - Anim - Sequencer - Mar 2, 2020If a camera track has only additive transform track, some functions return uninitialized F3DTransformTrackToken made by default constructor. It causes a rare assertion. Please take a look at F3DTra ...
Crash when converting a Landscape to a Blueprint Class
UE - LD & Modeling - Terrain - Landscape - Aug 12, 2020The Editor crashes when attempting to convert a Landscape into a Blueprint Class. Looking back to //UE4/Release-4.24 cl 11590231, this option seems to be unselectable (see attached image), which lea ...
ObjectScale node in the material editor does not work with decals
UE - Graphics Features - Aug 19, 2020The ObjectScale node does not output the correct values in the material editor. This method works to tile images with a Surface Material Domain on a basic plane, but does not work when using it with ...
Widget Blueprint breakpoints hit during a Tick event do not engage the debugger.
UE - Editor - UI Systems - Jun 13, 2024The user comment on the Salesforce issue " This is a regression from the behaviour in 5.3.X, and I've reproduced it in 5.4.0, 5.4.1, and 5.4.2. The specific issue/change that caused this regression ...
FCableSceneProxy::BuildCableMesh thrashes memory allocator
UE - Simulation - Physics - Feb 12, 2025FCableSceneProxy::BuildCableMesh in CableComponent.cpp:233 showed up as a hot spot in profiling because the two TArray allocators in SetDynamicData_RenderThread used by BuildCableMesh are created an ...