Unreal Engine Issues
Unreal Engine Issues
[AI] Navmesh tiles on different layers get removed while streaming out in WP Dynamic Modifiers Only navmesh
UE - AI - Navigation - Feb 6, 2025Streaming out the navmesh and streaming the area back into the world before the GC runs causes the navmesh streamed back into the world to only have navmesh tiles on a layer with tiles that would b ...
Rect light LTC textures fail to load when cooking with bSharedLinearTextureEncoding enabled
UE - Texture - Apr 2, 2025When running a build with bSharedLinearTextureEncoding enabled, View.GGXLTCMatTexture and View.GGXLTCAmpTexture are pointing at the black texture fallback, which affects correctness of rect lighting ...
[MAC][OPENGL][METAL]: Investigate why planar reflections on translucent surfaces may not be working
Tools - Jun 29, 2015See Comments. User reported planar reflections aren't being applied to translucent materials on Mac OpenGL, which may also affect Linux OpenGL and Mac Metal. Need to investigate what this feature r ...
[Mac][Metal] Black/NaN spots Visible in Templates With r.BasePassOutputsVelocity
UE - Platform - Apple - Apr 15, 2016Base-pass rendering on Mac Metal now generates transient black/Nan spots across the scene - this appears to be related to r.BasePassOutputsVelocity and is presumably the connected to the incorrect s ...
Distance Field Mesh default resolution artifacts on some shape meshes
UE - Graphics Features - Feb 10, 2016Distance Fields generated for the 4 basic static mesh assets in the modes panel appear to have artifacts or low resolution. This is only affecting certain shapes that I can see. Adding in assets fro ...
Compile failure adding C++ Vehicle or VehicleAdvanced pack to a project
UE - Gameplay - Jan 11, 2017Adding the C++ Vehicle feature pack to a project fails to compile with the following error:CompilerResultsLog: Info Error: Couldn't find parent type for 'TP_VehiclePawn' named 'AWheeledVehicle' in c ...
Inconsistent Red X icons when using World Composition
UE - World Creation - Worldbuilding Tools - World Composition - Sep 20, 2018This issue takes a few attempts to repro. Sometimes when saving the icons will remain normal, but other times a red X will be displayed instead. Opening up the Level that is displaying the X and re= ...
CharacterMovementComponent causes the Character to slide when jumping on moving objects
UE - Gameplay - Player Movement - Sep 21, 2018When the CharacterMovementComponent makes the transition from falling to walking, it retains the forward velocity it had while falling. When the character lands on the moving object, its new velocit ...
When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable
UE - Networking - Sep 25, 2018When a client sends an Unreliable RPC to the Server in same frame with a Reliable RPC, Unreliable RPCs are Reliable. It implies extremely high lag on each lost RPC and all following ones. User lose ...
ScreenAlignedUVs Node with X 100% and Y 100% Breaks Infinite Hallway Effect of Portals
UE - Graphics Features - Nov 27, 2018A SceneCaptureComponent2D is able to correctly capture the infinite hallway effect for portals. The " X 100% Y 100%" of ScreenAlignedUVs node is necessary to create the material that produces the co ...