Unreal Engine Issues

Niagara systems always compile on load.

Crashes when changing parameters by changing the collection of the NiagaraParameterCollectionInstance

There's no motion blur on streaming GeometryCache

UDN customer mentioned: "there looks to be support for motion vectors as exported from DCC apps (for rare cases like fluid sim), but regular in-engine motion vector calculation for regular motion bl ...

Compiling blueprint component can lose data on instances in level

Compiling a blueprint component can cause data loss on instances in the level when the component instance overrides its owning Blueprint's property value overrides back to the component archetype's ...

Montages played by GAS do not respect Blend Out Time

Replicated Montages played via GAS are not blended out using the BlendOut time set in the Montage, and are instead blended out using the BlendIn time ...

[SKP] [Import] Sketchup model imports as an empty container when imported via Interchange.

So far I could reproduce this with 3 different files. I only attached this one, since this is the smallest ...

USplineMeshComponent::CalcBounds may return invalid value

USplineMeshComponent::CalcBounds function should be returning an FBoxSphereBounds type, but in the implementation it instead outputs an FBox. This may result in the returning of invalid results, esp ...

Groom assets can no longer be created without curves data

It used to be possible to create an empty Groom assets without an Alembic file. However, this is no longer possible because curve data is required This workflow is useful to create grooms that onl ...

Crash when clicking on a "Two Bone IK" node

Crash when clicking on a "Two Bone IK" node in an Animation Blueprint Crash Reporter currently down, see callstack section. Log and dmp are attached ...

Uasset causes editor to crash when opened/right clicked

Character asset will crash the editor immediately when opened or right clicked. Crash Report: 431837 ...