Unreal Engine Issues

Welding doesn't work until the first time the actor simulates

MediaPlayer failed to be open on Mac and IOS

USplineComponent::GetSplinePointAt() returns FSplinePoint with incorrect Type

USplineComponent::GetSplinePointAt() returns an FSplinePoint with the ESplinePointType 'CurveCustomTangent' rather than the type from the setup.Expected: It should return the correct type. ...

Shift drag objects pivot causing broken movement

In another related bug UE-38381, but this bug causes the cube to instantly move to where your mouse is located after shift is released a second time. This occurs in 4.13 therefore not a regression ...

Wrong height from Chaos::FHeightField::GetHeightAt()

Material Layers "swap" location instead of shift downwards.

Licensee request for this as it is affecting productivity. Likely requires a method of allowing a user to choose which behaviour they prefer. For reference, the behaviour changed in CL 11684461 to f ...

Children of blueprints resaved by reference fixups can have invalid asset registry tags

If a parent blueprint has data that is used by asset registry tags such as the AssetBundleData, any child blueprints that derive from it will use that in their exported tags. If the parent blueprint ...

Editing a spline component in 5.4 no longer fires construction events.

Licensee found that in 5.4 the spline component when edited in editor, no longer triggered the construction script potentially breaking their art pipeline. The licensee mentioned the cause is likel ...

Anim State Notifies Don't Consistently Fire Begin/End Events for Looping Anim Sequences

If you have an Animation Notify State and set it up on an animation to start at the exact beginning of the anim sequence and finish exactly at the end (I have attached a picture of this). It doesn't ...

VirtualTextureStreamingPriority cannot be set per TextureLODGroup

It is currently not possible to set a VirtualTextureStreamingPriority via the TextureLodGroups that are defined in a device profile. ...