Unreal Engine Issues

"If" node in materials causing striped artefacts when passing "Material Attributes"

Shader compilation error occurs when using values sampled from texture for Customized UV1

Shader compilation error occurs when using values sampled from texture for Customized UV1.　No problem when connected to Customized UV0. This problem compiles well if I change the value of Const to ...

Nanite meshes swap materials during simulation

When enabling nanite on Quixel Bridge assests.  Materials sometimes randomize to other assets in the viewport during simulation or PIE.  This does not occur every time and may take a few tries.   T ...

UObject properties in OnRep functions can be invalid

The shadow state used to store previous values on the client side is not GC aware, so when an object gets garbage collected it's not nulled out of the shadow state.  This results in stale pointers b ...

[Feature Request] Support force feedback on iOS and tvOS Gamepads

Unreal Engine should support haptics on gamepads on iOS and tvOS [Link Removed] [Link Removed]  ...

VolumetricLightmap doesn't work when shifting a level by world origin rebasing

VLM is not handled when rebasing. The following workaround works. void SetupPrecomputedVolumetricLightmapUniformBufferParameters(const FScene* Scene, FEngineShowFlags EngineShowFlags, FViewUniform ...

SkeletalMesh may lose virtual bone names

This Jira is there to make sure we load the skeleton asset before the skeletalmesh asset need it ...

Problems in skeletal mesh merge

There are a few issues a licensee has found with the skeletal mesh merge operation. See the UDN for more details and the proposed fixes. Note, the issue with the cloth merge is already logged in a ...

Blueprints keep BPTYPE_Const after UCLASS(const) mark up is removed from parent or being reparented

Blueprints based on a const class will continue to be BPTYPE_Const after being reparented to a non const class. ...

Changing the name of a native component results in a blank details panel

Much like [Link Removed] (which I'm backing down on my by design claim), there is an issue where if you previously referenced a component that no longer exists, the correct instanced subobject is lo ...