Unreal Engine Issues

UMaterialBillboardComponent does not render when moving

Marking this as a Regression since it works as intended in Release 4.27.2 (CL-18319896). I've also confirmed the behavior is occurring in UE5 Main (CL-20283975) as well.  ...

SingleSampleShadowFromStationaryLights does not work in UE5 (when GPU-Scene is used)

The flag is not propagated in FPrimitiveSceneShaderData::FPrimitiveSceneShaderData and so is missing in GPU-Scene primitive data. Need to add: .UseSingleSampleShadowFromStationaryLights(Proxy->UseS ...

Layered blend per bone node with blend mask setting in an animation BP will not work after restarting UE editor, until recompiling the anim BP manually.

Changing a Mesh's Build Scale doesn't update the Mesh's Bounding

This is a regression tested in //UE4/Release-4.27 CL18319896 Changing a Mesh's Build Scale doesn't update the Mesh's Bounding to the same scale. ...

Submix Settings on Submix Send Settings cannot be updated at runtime in SubmixSendVolumeComponent

Source: UDN ticket Stepping through, when SetSubmixSendSettings() is called on the SubmixSendVolumeComponent, the SubmixSendSettings on the Component initially get changed before the NotifyDataChan ...

Deprecating a non-const blueprint interface function replaces the implementation of the event with an empty custom event

This behaviour is only observed when implementing the function as a custom event from a blueprint interface. This behaviour is not observed in actors where the blueprint interface function is implem ...

Niagara using a Volume and Mesh renderer with a shared base material does not renderer correctly

Using a shared base material with both a Volume and Mesh renderer causes the emitter to render as a glowing box at the scale of the bounding box. ...

Sampler Source: From Texture Asset with Streamed Virtual Texture

It appears that Texture Samplers for Virtual Textures do not respect the Tiling Method from the Virtual Texture Asset when the "Sampler Source" is set to "from texture asset". ...

IME input is ignored when There are some lines in MultiLineEditBox

This problem is reproduced on other widgets using MultiLineEditBox. ex.) description in source control commit log pane, comments in blueprints, etc. ...

AnimBP warning word order mistake in Japanese

The warning ""variable name" に "BluePrint" という名前の変数はありません" in the output log within the AnimBP while the editor is in the Japanese language mode has an incorrect word order. "Blueprint"Blueprint sho ...