Unreal Engine Issues
Unreal Engine Issues
Application is crashing on the HTC One when UMG is used in the project
UE - Platform - Mobile - Jan 26, 2015If you include UMG in your project and deploy to an HTC One, the project will crash on the device. Tested this on multiple devices (Galaxy S5, HTC One, NVIDIA Sheild tablet) Monitor logs are atta ...
Using UMG on iOS devices are not displaying with the correct resolution and scaling
UE - Editor - UI Systems - Mar 18, 2015When testing UMG on an iOS device, the UMG is not rendering correctly ot the device. The UMG components seem to over lap each other. Photos of the expected outcome vs the outcome seen have been at ...
Calling a function that returns TWeakObjectPtr in blueprints causes crash
UE - Gameplay - Blueprint - Mar 20, 2015Calling a code defined function in blueprints that returns a TWeakObjectPtr causes a crash. ...
iOS Device displays textures darker than in Editor
UE - Platform - Mobile - Jan 30, 2017The issue is that on iOS devices textures are displaying significantly darker than expected. I did a color calibration with my monitor to get a more accurate representation of the texture. I set th ...
LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created
OLD - Anim - Aug 8, 2017LOD Build Scale set higher than 1 will cause a merged actor to increase to that scale when created. It seems to be using the LOD Build Scale to double in size on actor merge. This is a regression: ...
Linked Anim Graph With Mesh With Post Process BP Has Faster Animation Playrate
OLD - Anim - Jan 20, 2020When an animation blueprint is using the "Linked Anim Graph" node and it's skeletal mesh has a post process animation blueprint the animation is played at the wrong playrate. Linked Anim Graphs wer ...
Crash in GameplayTag Editor Widget when editing array of tags on a component
UE - Gameplay - May 17, 2022Editing an array of gameplay tags on a component belonging to an actor instance can lead to a crash. There are inconsistencies with how the Gameplay Tag Editor widget behaves:Array of gameplay tags ...
Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters
UE - Graphics Features - Nanite - Jan 21, 2025The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...
Distance Field AO from Moveable Skylight (non-Lumen) invalidates AO incorrectly with a screenspace offset to the right of moving objects
UE - Graphics Features - Mar 25, 2025When Global Illumination is set to “None” in the project settings the ambient occlusion does not correctly render shadows for moving objects. This has been observed in versions 5.4 and above. ...
Modifying FinstancedStruct (Blueprint structs) properties inside another FInstancedStruct triggers an ensure and properties do not get saved.
UE - AI - Dec 16, 2024There is a bug with Blueprint structs having FInstancedStruct as a property. If you modify the DefaultValues of any property of an FInstancedStruct inside the blueprint struct asset, an ensure will ...