Unreal Engine Issues
Unreal Engine Issues
TArray64 RangeCheck prints the incorrect error messages for values over 32-bit length
UE - Foundation - Core - Apr 27, 2022TArray64 RangeCheck prints the incorrect error messages for values over 32 bit. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it is not a regressi ...
Moving a water body causes engine to drop fps and spike ms
UE - LD & Modeling - Terrain - Water - Apr 26, 2022Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...
Merging static mesh actors results in static mesh sockets getting lost
UE - World Creation - Worldbuilding Tools - Merge Actor - Apr 26, 2022Licensee reports that merging two static meshes results in any sockets disappearing in the resultant merged mesh. "essentially I want to "hard code" the materials and sockets to the static meshes s ...
Foliage Instance Static Meshes do not affect the Navmesh
UE - AI - Navigation - Apr 25, 2022Foliage Instance Static Meshes do not affect the Navmesh. I tried changing the Custom Navigable Geometry to 'Yes' & 'Even if Not Collidable' but got the same results. Repro Rate: 4/4 Tested this i ...
Movie Render Queue Renders Black Frames when MultiSample Effects Are Disabled
UE - Anim - Sequencer - MRQ - Apr 25, 2022Occurs 5/5 times. When 'Disable Multisampling Effect' is enabled, the Render Warm Up is set to 0, and the Custom Playback Range is set to a small value, frames render out fully black. Regression d ...
Sequencer Frames Render Black When Four or Less Frames Are Rendered
UE - Anim - Sequencer - MRQ - Apr 22, 2022Occurs: 5/5 times **MRQ renders black frames when custom playback range is set to four frames or less. Regression does not occur: tested using //UE4/Release-4.27 @ CL 18429761 GH Note: Issue does ...
Distance Cull Fade Node on Material does not work with Skeletal Mesh
UE - Rendering Architecture - Materials - Apr 22, 2022The licensee reports that this issue is caused by the following code not performing a Buffer update. .\Engine\Source\Runtime\Renderer\Private\ShaderBaseClasses.cpp void FMeshMaterialShaderElementD ...
Mesh painting on staticmesh doesn't always apply Colors to All LODs
UE - Editor - Content Pipeline - Asset Build - Apr 18, 2022See the video [Link Removed] ...
Child Actor Components do not update their internal properties when applying instance changes to other instances
UE - Gameplay - Components - Apr 14, 2022Child Actor Components do not update Materials when applying instance changes to other instances. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it ...
Network Prediction plugin: improve behavior when switching net roles
UE - Gameplay - Network Prediction - Apr 13, 2022We need a mechanism to gracefully handle cases when an NP-simulated object changes net roles from autonomous to simulated, and vice versa. The most common case happens when a client player possesses ...