Unreal Engine Issues

Crash on mobile OpenGL with a retainer box

GAS: OnTagUpdated() not called when calling SetLooseGameplayTagCount()

Context AbilitySystemComponent has a virtual function virtual void OnTagUpdated(const FGameplayTag& Tag, bool TagExists); that gets called when a gameplay tag gets added or removed, so whenever ...

Multi-Material Skeletal Meshes assigned a Material in Details panel lose access to all other materials

When you assign a Material to a Multi-Material Skeletal Mesh via the Mesh's Level Viewport Details Panel, you will lose access to all the other material Elements after the first assignment. For ins ...

Skylight does not honor the Visibility settings when hidden

The Skylight actor cannot be disabled when using 'Hide' from the right-click context menu or using the visibility eye icon in the World Outliner. ...

Moving an actor between levels causes properties marked DuplicateTransient to reset to default

Currently, properties marked DuplicateTransient will be reset to default when their actor is moved to a different level. This happens because we use the clipboard to virtually cut the actor out of o ...

FRotator::SetClosestToMe(FRotator) Doesn't Set The Correct Value

FRotator::SetClosestToMe(FRotator) doesn't set the correct value. Attached are files with the demonstrative code. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10570792, 4.25 CL#10520 ...

Assert when compilling blueprint with interface implemented

Landscape Component LODBias parameter is broken

Area Lights casting Specular regardless of material specular value

The rectangle lights ignore the specular value of lit materials and will apply a specular highlight to them regardless of the value. you can compare the result against a standard point light and you ...

Override Parameters in the details section of the editor do not slice smoothly when dragging with mouse

Sliding a value within the override parameters in the details panel of the editor, the slider will get "stuck" after sliding to one value and it stops working. This occurs with any slider within the ...