Unreal Engine Issues
Unreal Engine Issues
Crash When Adding a Second Vector Parameter to Material Parameter Collection
UE - Graphics Features - Feb 21, 2019The Editor will crash if you add more than one vector parameter to a Material Parameter Collection. This works as expected in 4.21 CL# 4753647 Found in 4.22 Preview 2 CL# 5035897 and 4.23 CL# 506 ...
Disabling DBuffer Decals causes Decals not to render
UE - Graphics Features - Mar 8, 2019Disabling the Decal DBuffer in the Project Settings>Rendering causes the Decals to not render on geometry that overlap their respective Decal Actor. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5 ...
Incorrect data type in FDumpFPSChartToEndpoint::DumpChart()
UE - Foundation - Core - Jul 11, 2019The TotalTime variable in the FDumpFPSChartToEndpoint::DumpChart() function has recently been changed to int32 when it should be double. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 ...
Static Mesh flicker in Player Collision Viewmode
UE - Graphics Features - Aug 8, 2019All UCX_geometry that have bounds larger than its geometry flicker when in Player Collision Viewmode. Tested in: 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P5(CL - 7838574), 4.24 (CL - 786 ...
Open Marketplace button is unresponsive
Portal - Jun 8, 2021When pressing the Open Marketplace button in UE5 or the Marketplace button in UE4, nothing happens. This occurs in both UE5 Early Access and UE4 4.26.2. Tested in //UE4/Release-4.25 @ CL 14469661 ...
ETraceTypeQuery and EObjectTypeQuery not fully exposed to Python
UE - Editor - Workflow Systems - Oct 5, 2021The ETraceTypeQuery and EObjectTypeQuery enums declared in EngineTypes.h aren't fully exposed to Python. Both enums have 32 entries, but Python is only aware of the first 2 for ETraceTypeQuery and t ...
StaticMeshComponent occasionally doesn't simulate physics after SpawActor.
UE - Simulation - Physics - Aug 23, 2022When spawning Pawns with a StaticMeshComponent with SimulatePhyscis=True, they occasionally may not simulate physics. This can be reproduced by simply repeating the respawn. The frequency of reprodu ...
Engine freezes when Level Sequence format is in seconds
UE - Anim - Sequencer - 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 ...
Ocean spline impacting landscape way outside of its bounds
UE - Graphics Tools - Terrain - Water - Oct 4, 2024From licensee: "[...] it seems that regardless of our settings and how far away the control spline is from the landscape edge, one corner of the landscape will always be impacted by the falloff and ...
Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh
UE - Graphics Tools - Modeling Tools - Jun 21, 2022This is a regression tested in //UE4/Release-4.27 CL#18319896 Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh. The closer a colors R, G, or B value is to 1.0 or 0.0 the mor ...