Unreal Engine Issues

Detail Panel Favorites cause many settings to be duplicated or shown when they aren't normally

Enabling the "Enable Details Panel Favorites" experimental setting causes some details that were not previously shown to appear. In version 4.18 and onward, it also causes these new details to have ...

IOS deviceCrash when input Korean Charactor on EditableTextBox

UMG Crashes When Using "Create Dynamic Material Instance" With An Optional Name Twice

When using an Optional Name parameter in Create Dynamic Material Instance while using the same Optional Name twice in UMG the engine crashes. I have tested this in a actor blueprint that applies th ...

Editor Periodically Has Performance Drops In Basic Scenes

The Editor experiences performance drops even in the default basic level when left alone running. I experienced them every ~3 seconds. My graph didn't show the drops very clearly so the fps counter ...

Crash in UHierarchicalInstancedStaticMeshComponent::GetOverlappingSphereCount

A licensee has reported a regression from 4.18.3 to 4.19.2 that is causing crashes to occur in their project. The crash occurs when walking onto their foliage in a packaged game. This does not happe ...

Skylights not Updating in Blueprint Viewport

When modifying the properties of a Skylight actor as a component within Blueprints, the changes are not reflected in the Blueprint viewport. If you drag the blueprint into an empty scene and modify ...

Changing the “show mouse cursor” variable of PlayerController with a mouse button input does not work the same as with a keyboard input

Using the mouse input to show the mouse cursor acts like an Alt+Tab. When clicking the mouse input again to no longer show the cursor, the camera controls stop at the edge of the screen. Reported i ...

FBX Scene Importer sets actors in Blueprint to movable when reimporting

When using the FBX Scene Import into Level with default settings so that the actors in the BP import as static, if you reimport them they will then be set to Movable in the BP. This is not a regre ...

Imported animations don't import correctly when using same import settings as skeletal mesh it's based off

When importing an animation using the same import settings as the imported skeletal mesh it is meant for part of the mesh is rotated 90 degrees around the root. The files that were used to verify th ...

After loading a SubLevel from the PersistentLevel of WorldComposition, the offset of WorldComposition is applied when loading the SubLevel alone

When loading a Sub Level from the Persistent Level of World Composition, the offset of WorldComposition is applied when loading the Sub Level by itself. The offset can be applied repeatedly when rel ...