Unreal Engine Issues

Pasting a component binding onto a Spawnable will not set up parenting correctly

It appears that for spawnable bindings, when adding a child binding through a copy/paste it is not added to the child bindings array on the spawnable, so when GetChildPossessables is called, there a ...

Shader compilation failure crash with DX12, Tesselation, Distance fields, Instanced Stereo, and Hierarchical LOD Coloration viewmode

upd. Regression was checked on //UE4/Release-4.26 CL 15973114, issue wasn't reproduced. Regression - YES Shader compilation failure crash with DX12, Tesselation, Instanced Stereo, and Hierarchical ...

Water_Material crashes editor when adding "Scene Depth Without Water" node

Base material does not report broken logic with disconnected nodes, but instances of the same material do.

This is likely "by design", but the licensee is requesting a warning in base materials for disconnected logic that does not work, which they are reporting as a nuisance during development. Instance ...

Crash in FLandscapeRenderSystem on Mobile

Similar issues have already been reported here for iOS [https://udn.unrealengine.com/s/question/0D52L00004vJelTSAS/crash-ios-in-flandscaperendersystemcomputesectionperviewparameters] and here [https ...

If Material is not overridden, Material will not be exported correctly.

This is because FFbxExporter::ExportStaticMeshToFbx() does not correctly determine the OverrideMaterials.  Therefore, the following code will not pass.else { Material = StaticMesh->GetMaterial(P ...

Xcode project files use iOS Legacy Build System which is not supported in Xcode 13

The WorkspaceSettings.xcsettings file is generated with the following entry <key>BuildSystemType</key> <string>Original</string> This causes the warning in [Link Removed] which has was closed ...

Level Instance: failed check in duplication code when embedding

Mentioned in this UDN is the possibility that duplication of some actor fails because their BP as been deleted.  ...

TriggerMontageEndedEvent will clear queued notifies for all instances of a montage

When a montage finishes and TriggerMontageEndedEvent is called, all queued notifies for that montage are cleared. However, this assumes that there is only one instance of the montage active at any ...

InstanceDecorators of URichTextBlock is increased everytime add it to viewport

URichTextBlock::UpdateStyleData() does not check whether DecoratorClasses already had any specificed DecoratorClass. So every time you turn UMG on and off from the Viewport, Decorator Classes will i ...