When CascadeToNiagara, the Disable state of Emitter is not converted properly.

UE - Rendering - Niagara - Oct 5, 2021

In CascadeToNiagaraConverter.py # copy the emitter enabled state. enabled = ue_fx_utils.get_lod_level_is_enabled(cascade_emitter_lod) niagara_emitter_context.set_enabled(enabled) It stores the ...

Jittering appears when setting DOF in ES3.1

UE - Platform - Mobile - Oct 5, 2021

For reference, it was fine in 4.24 In particular, jittering is severe when the camera is moving. GaussianHalfRes has been removed in CL 14036168, which is likely to cause degradation issues if int ...

VT Material Instance Crash - "ProducerDesc.BlockHeightInTiles << MipBias == BlockHeightInTiles"

UE - Rendering - Oct 4, 2021

Assertion failed: ProducerDesc.BlockHeightInTiles << MipBias == BlockHeightInTiles [Link Removed] [Line: 229] ...

AbsoluteWorldPosition and PDO not working correctly in SingleLayerWater calculations

UE - Rendering - Oct 1, 2021

The licensee has provided a recommended fix for this issue. Please see the UDN.  ...

Animations do not play correctly when scrubbing at high speed while in Keep State.

UE - Anim - Sequencer - Oct 1, 2021

If you check the attached GIF, you will see that when you jump the playback position, the animation stays in the same state as before the jump. I suspect this is a specification, but the user is req ...

Crash in PackagedBuild when using GPU & Data Interfaces

UE - Rendering - Niagara - Sep 30, 2021

Due to module initialization order we are serializing shaders before the Niagara module has started up.  This means we are unable to find the default data interface for the GPU simulation to seriali ...

Solidworks exporter does not support scale, scene orientation is different from CAD import and materials are missing

UE - Editor - Datasmith - Exporters - Sep 29, 2021

Notice that the udatasmith geometry does not have the scale : all volumes are identicalNotice that the udatatsmith scene is rotated of 90 degree compare to the CAD sceneNotice udatasmith does not have ...

In-Editor Tutorials are unresponsive when selecting them

Docs - Sep 29, 2021

@triage need approval to submit this into 4.27.2 When trying to select any of the tutorials in the editor, all of them except for the "Welcome to the Unreal Editor" tutorial are unresponsive. They ...

Groom + RT refraction not working correctly

UE - Rendering - Sep 28, 2021