Unreal Engine Issues
Unreal Engine Issues
Inherited components in Child Blueprints cannot be dragged into the Event Graph to access their variables
UE - Gameplay - Components - May 6, 2015Inherited components in Child Blueprints cannot be dragged into the Event Graph to access their variables. Searching for the Getter in the Event Graph works as expected. This seems inconsistent with ...
Material Compile Error [SM5]
UE - Graphics Features - Jun 8, 2016There is an material compile error when using a TexCoord node shared between two Texture samples. The user provided a number of ways to work around the issue, but this issue becomes more problemati ...
Enabling Tonemapper via console command causes a black screen when Mobile HDR and Bloom are enabled on Android
UE - Platform - Mobile - Dec 7, 2018Enabling Tonemapper on Android with Mobile HDR and Bloom enabled causes the entire screen to go black, other than HUD and UMG elements. This seems to occur on older phones, as this occurred on a Ne ...
Begin and End Overlap events continuously trigger while a character moves within a collision component of a Blueprint Actor that Simulates Physics if the collision component has Auto Weld enabled
UE - Gameplay - Jun 29, 2015Begin and End Overlap events continuously trigger while a character moves within a collision component of a Blueprint Actor that Simulates Physics if the collision component has Auto Weld enabled. ...
Poses Asset UI doesn't update correctly when updating from new source animation
OLD - Anim - Jul 11, 2016If the user updates to a new Source Animation for a pose asset, while a pose was active in the viewport (weight set to 1.0), the pose will be set to 0.0 in the pose list even though it's still activ ...
Merge Actors (Simplify) is broken with Substrate Shader Models Node
UE - Rendering - Features - Shading Models - Sep 29, 2025Substrate Materials cannot be baked when Meshes are merged using the "Simplify" method. All textures except for the normal are reduced to a single black parameter. The normal texture produced does n ...
ImageSize in Image widget is not set when setting a texture as a brush
UE - AI Workflows - UI Systems - UMG - Aug 1, 2023Since FDeprecateSlateVector2D has been implemented in 5.2, the following function calls will always fail. Therefore, the ImageSize is not updated. This problem does not occur in 5.1. void SBrus ...
IsSpatiallyLoaded = false set in actor blueprint is not respected in standalone game
UE - World Creation - Worldbuilding Tools - World Partition - Jul 1, 2024In past compatibility detection in FWorldPartitionClassDescRegistry::PrefetchClassDescs, as AssetRegistry.TryGetAssetPackageData returns UE::AssetRegistry::EExists::Unknown in standalone games, so t ...
Color and Opacity animation option does not play for Button component
UE - Editor - UI Systems - Aug 25, 2017Color and Opacity animation option does not play for Button component, this occurs both in the Widget editor and during play. This issue is not a regression Versions Tested: 4.16.3 - CL: 3561208 - ...
After upgrading to 4.7 from 4.6, one of the Blueprints in this user's project will not save its Replicates setting
UE - Gameplay - Blueprint - Mar 4, 2015One of the Child Blueprints in this user's project will not save its Replicates setting. The Blueprint (apa_room01) is a child of MasterRoom, which has Replicates enabled. When apa_room01 is first o ...