Unreal Engine Issues
Unreal Engine Issues
Unknown by landscape material warning logspam when launching onto Android/HTML5/iOS/tvOS
UE - LD & Modeling - Terrain - Landscape - Dec 6, 2017Unknown by landscape material warning logspam when launching onto Android Also occurs in Main @ CL 3792526 --Reproduces in //UE4/Release-4.18 at CL 3792614 --Reproduces in //UE4/Release-4.18(.1) at ...
Content ordering for assets with full numeric names.
UE - Editor - Content Pipeline - Content Browser - Feb 5, 2016Content files that are labeled with both text and numeric values sort correctly, but files containing only numbers, don't share this behavior and end up with weird sorting order. MyMat_20, MyMat_20 ...
Crash upon selecting CameraComponent in Sequencer when level is locked
UE - Anim - Sequencer - Aug 14, 2018Selecting a Camera Component in the Sequencer window when the level is locked causes the Engine to crash. This was reported and tested in 4.20.1 (CL-4233996). This was reproduced in 4.19.2 (CL-403 ...
Flickering artifacts are rendered when using Sky Atmosphere Component with Vulkan
UE - Rendering - Architecture - RHI - Jul 16, 2020Rendering the SkyAtmopshere component using Vulkan with and without Vulkan (SM5) enabled causes artifacts to appear on screen on Windows and Linux. This was reported and tested in 4.25.1 (CL-135 ...
Engine freezes when Level Sequence format is in seconds
zComponent - Archive - May 22, 2023When using the jumpbox with a sequence that is in seconds (not fps) the engine will freeze. This issue is occurring in Binary //UE5/Release-5.2 @ CL 25360045 This issue is occurring in Binary //UE ...
Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable
For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...
ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced
UE - Rendering - Architecture - Materials - Apr 16, 2024ExportMaterialUVDensities() gets the incorrect value where the alpha channel is referenced (e.g. RegisterIndex of the texture is [3] or [7]) because FMeshRenderer::RenderMaterialTexCoordScales() use ...
Cloth Asset - Cloth bounces off wildly during the rendering of a sequence in MRQ.
UE - Runtime - Simulation - Jun 26, 2024The motion blur rendering is causing some issues when rendering the cloth asset as the timestep wildly changes without the number of substeps being increased, The movie pipeline code needs to man ...
It is not possible to export virtual layer masks (AI or from mesh) through the COLMAP exporter.
RS - MVS - Jan 8, 2026Found in 2.1.0.119011 (R210). The mask export doesn't work even when the masks are regenerated from the mesh. Outcome: Error appears: "The filename, directory, or volume label syntax is incorrect ...
MetalRHI Asserts When Using "Profile GPU" With RHI-Thread/Parallel-Execution
UE - Graphics Features - Sep 14, 2016When the RHI thread is enabled (with or without parallel-execution) for Metal it isn't currently possible to run "profilegpu" because the GPU timestamp emulation code isn't multi-thread safe and pro ...