Unreal Engine Issues
Unreal Engine Issues
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Assets on paths with speed parameters are sped up in Path Tracer exports
TM - RenderingReported in SF [Link Removed] In Path Tracer renders, all paths with a speed component (vehicles, bicycles, custom) will render at an increas...
Structured log automated decimal number tests fail in languages / cultures that use commas instead of periods
UE - FoundationThe following Localisation Tests in "Engine\Source\Runtime\Core\Tests\Logging\StructuredLogFormatTest.cpp:275" TestLoc(LOCTEXT("Float", " {F...
Performance slowdown when ray tracing is disabled due to SetResidencyPriority
UE - Rendering Architecture - RHIWhen a game is compiled with ray tracing disabled (D3D12_RHI_RAYTRACING=0) and the GPU the game is running on becomes low on VRAM, frame time ...
Enabling Substrate causes MaterialGraph node previews to render black
UE - Graphics Features - SubstrateNode previews in MaterialGraph with Substrate enabled render solid black in 5.6. The latest 5.5 engine does render previews correct with subst...
Niagara Regression - Looping particle with Spawn Burst Instantaneous on time 0.0 flickers for a frame between loops
UE - NiagaraNote: This worked correctly up to UE 5.4, but repros from UE 5.5 up to mainline latest. If a Niagara Emitter is set up with "Spawn Burst Inst...
[Interchange] Disabling Interchange 'Show Sections' in the Details Panel is not persisted
UE - Editor - Content Pipeline - Import and ExportIn Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter()
UE - Anim - SequencerIn Sequencer, copying a Missing/Invalid Bound Object to a track may crash the Editor with an Unhandled Exception at UExporter::FindExporter()....
Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6)
UE - Anim - SequencerSequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6). As described in the S...
Sampling textures with bias in the path of a custom data pin causes derivative operations when avoidable
UE - Rendering Architecture - MaterialsMaterials that make use of the analytical derivatives path to avoid hardware derivatives can still generate derivative operations on texture s...
Editor crash when adding mesh renderer elements in Niagara
UE - NiagaraWhen adding multiple meshes to a Niagara Mesh Renderer Module, a check() will be triggered due to a mismatch in the number of Widgets and the ...