GPU Debug Label is not set on some textures

Rendering - Aug 11, 2021

texture streaming is one of the reasons that drop the label but not the only reason. add a line of code RHIBindDebugLabelName(NewTexture, *OldTexture->GetName().ToString()); into FMetalDynamicRHI:: ...

[Reverb Effect] - Deactivate Reverb Effect Blueprint Doesn't Deactivate Reverb

Audio - Aug 11, 2021

When deactivating a reverb, it's removed from the Activated List, but doesn't get removed from being the active reverb. Confirmed occurs in 4.27 and 5.0 ...

Fatal Error: Cast of Package to AnimGraphNode_BlendSpaceGraphBase failed when deleting an opened Blendspace node in a State graph

Anim - Anim Blueprints - Aug 10, 2021

When deleting a Blendspace or Blendspace 1D node in a state graph, after opening it, the editor crashes. It doesn't crash when deleting it before opening the Blendspace node. It also doesn't matter ...

Groom bound to GeometryCache is unstable

Tools - Editor - Datasmith Importer - Aug 10, 2021

This issue seems to occur only in 4.27 with DX12. Did not repro in 4.27 with -dx11, nor in UE5 DX11/DX12. ...

Niagara Crash : ExportParticleDataToBlueprint module causes buffer overrun

Rendering - Niagara - Aug 10, 2021

This buffer overrun is probably caused by the ExportParticleDataToBlueprint module does not respecting the GPUAllocation Fixed Size setting in the module. In fact, out-of-range export data is not c ...

Refraction broken when using material function

UE - Rendering - Aug 10, 2021

Licensee has provided a BP workaround ...

[Feature Request] Niagara Ribbon Render needs V direction Tessellation option

Rendering - Niagara - Aug 8, 2021

It has a common chunking visual artifacts that lot's of triangular Translucent overlap once Ribbon's width is big and twisted heavily facing to Camera [Image Removed] It can be fixed by adding mor ...

Copying and pasting event tracks will break endpoint bindings

Anim - Sequencer - Aug 6, 2021

See linked UDN for more info. There appears to be an issue with mismatching parents when copying causing this to fail. ...