Unreal Engine Issues

Editor cannot handle blueprint structure using an Actor Map variable

If a blueprint structure contains a map variable with Actor Class Reference as the key, populating the map with a custom blueprint (ActorSet) and adding a variable of the structure to any other blue ...

Mouse is not captured when running -game on Linux

Launching a game with the -game command causes the game window to not capture the mouse until the window is clicked. Regression: Yes - This behavior does not occur in 4.16.3 (CL 3561208) ...

[CrashReport] UE4Editor_Landscape!ULandscapeInfo::RegisterActor() [landscape.cpp:1882]

This is a common crash coming out of the 4.17 release. User Descriptionstrying to delete landscape related stuff A similar callstack was seen in an older issue, [Link Removed]. Source Context ...

Crash when moving actor on viewport with HierarchicalInstancedStaticMeshComponent.

Create ActorBP has StaticMesh is not assigned to HierarchicalInstancedStaticMeshComponent. Place this actor on the level, and bind the StaticMesh from the Detail tab and add the appropriate Instance ...

Color and Opacity animation option does not play for Button component

Color 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 - ...

[CrashReport] Mac crash - FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState

This is an infrequent Mac crash that has been affecting users since at least 4.15. Users have not provided any descriptions of their actions when the crash occurred. The callstack is similar to the ...

Crash trying to rename a checked out umap

Editor crashes when a person renames a umap asset in the Content Browser that is checked out by another person. This doesn't occur if the user has the asset checked out themselves. ...

Nested code component causes ensure in blueprint's child blueprint

When a component class (base) contains a component property (Nested) adding the base component to a blueprint and changing the position of the component will update the base and nested components as ...

Crane doesn't work in a packaged game

Blueprint Diff tool fails to find nodes deleted from an Anim BP and also shows the incorrect State Machine rule

When using the Blueprint Diff tool to diff an Animation Blueprint, it fails to find nodes that have been deleted from a State Machine rule. It also fails to show the correct State Machine rule when ...