Unreal Engine Issues
Unreal Engine Issues
Foliage disappears after 1.5k if occlusion culling project setting is disabled
UE - World Creation - Worldbuilding Tools - Foliage - Aug 30, 2017When unchecking the Occlusion culling option in the project settings, if you place over 1.5k foliage meshes in the world, they stop rendering, the meshes are still present in the level and can be se ...
C++ Class Creation Wizard does not setup include path properly when using a sub-directory with Public/Private Classes
Tools - May 7, 2020The creation wizard is not correctly adding the #include path in the CPP file. To fix the issue to get the project to compile you have to add the path in the .CPP file within Visual Studio. In this ...
Crash when null texture parameter is present on a MIC
UE - Rendering Architecture - Materials - Apr 22, 2022From UDN: [Link Removed] Proposed fix: int32 FHLSLMaterialTranslator::TextureParameter(FName ParameterName, UTexture* InDefaultValue, int32& TextureReferenceIndex, EMaterialSamplerType SamplerType ...
All public inline methods of class "FBlueprintEditor" are inaccessible to other modules due to "DLLIMPORT"
UE - Framework - Blueprint Editor - Jun 28, 2024Class "FBlueprintEditor" has several inline getter methods as part of its public API (e.g. GetPreviewActor() and GetPreviewScene()). However, even though they are public, those methods are inaccessi ...
A Client connected to a Server that then destroys the session and rejoins will be disconnected after a short time
UE - Networking - Dec 8, 2015A Client connected to a Server that then destroys the session and rejoins will be disconnected after a short time. Unable to reproduce in a new project, however this has been reported multiple times ...
Landscape Tessellation shadow depth performance cost higher than expected
UE - LD & Modeling - Terrain - Landscape - Aug 23, 2016Using tessellation on Landscapes causes a greater impact in performance than what is expected. In the screenshots provided there is a comparison between tessellation disabled and flat tessellation ...
[CrashReport] UE4Editor_OnlineSubsystemUtils!LastGetVoiceCallTime()
UE - Foundation - Core - Jul 19, 2017This is a common crash in the 4.16 release. Affected users have not provided additional information. Source Context 1795 // Some tasks can only be done once we finish all scenes/viewports ...
Editor Crash When DFAO Viewport Has Zero Area
UE - Graphics Features - Apr 19, 2018I've reproduced this crash in 4.16, 4.17, 4.18, 4.19, and Main. Per licensee: The editor crashes if distance field ambient occlusion is enabled and a viewport is resized to have zero height. Th ...
Characters using NavWalking on server have noticeable jitter on clients at lower framerates
UE - AI - Aug 23, 2018AI nav walking doesn't allow clients to set a "Base" for the character (SetBase from UpdateFloorFromAdjustment), so there is no floor result on frames where there is a net update. This causes simula ...
Unable to Import Alembic Files in UE4
UE - Editor - Content Pipeline - Import and Export - Feb 25, 2020We have written a plugin for UE4 that allows Unreal users to import and set up Megascans assets into Unreal Engine. Recently we added Alembic files to our assets and also updated all our plugins to ...