Unreal Engine Issues
Unreal Engine Issues
Runtime Virtual Texture (RVT) baked mips using Streaming Virtual Texture (SVT) only bakes the base colour
UE - Graphics Features - Sep 13, 2024Using Streaming Virtual Textures for the lower mips of an RVT using Base Color, Roughness, Normal seemingly leads to both roughness and normal being sampled as 0. This causes a significant shading a ...
Camera Shake can apply a new post process material every tick when post process material has "Is Blendable" disabled
UE - Anim - Sequencer - Mar 26, 2024In the repro project the player camera has a post process material that slightly darkens the frame by subtracting 0.01 from the final color. When a camera animation based on a camera sequence is pla ...
LandscapeVisibilityMask with an RVT Landscape seems to produce a black spot instead of a hole if Dbuffer Decals are turned off
UE - Graphics Features - Dec 14, 2021This issue does not occur if Dbuffer Decals are activated for the project. ...
Setting Slate.ShowBatching to 1 makes the entire screen green unexpectedly
UE - Editor - UI Systems - Slate - Jun 19, 2025This issue may have occurred due to a refactoring of the related functionality during the engine update from version 5.4 to 5.5. The main reason is that the randomization of BatchColor doesn't work ...
Setting the Collision Response of an instanced actor through the Details panel overrides the Construction Script setting
UE - Simulation - Physics - Jun 23, 2020The collision response of an actor can be changed through the Details panel of the instanced actor and this overrides the collision response settings that were set through the Construction Script. ...
Orthographic Camera Preview window does not render materials
UE - Graphics Features - Jan 17, 2015I am using the orthographic camera preview fairly extensively for making an in-engine Tiling Texture maker. This feature is currently busted since the orthographic camera preview window is rendering ...
[CrashReport] UE4Editor_PropertyEditor!TSharedPtr<IPropertyUtilities,0>::ToSharedRef() [sharedpointer.h:794]
Tools - Dec 6, 2017Top Crash in 4.18 release Comment from User: "Picking a color for my shader" Source Context:// NOTE: The following is an Unreal extension to standard shared_ptr behavior 788 FORCEINLINE ...
AddTimedDisplay causes crash when changing level
UE - Gameplay - Dec 8, 2022RemoveAfterSecondsLambda in AddTimedDisplay function may access released memory during level transitions. The following workaround works : void UViewportStatsSubsystem::AddTimedDisplay(FText Text, ...
QAGame projectile collisions are not working
UE - Simulation - Physics - Jul 3, 2017I was not able to repro this with template projects in //UE4/Release-4.17. I was not able to repro the lack of collision to the same static mesh I shot at if I tried to run into it. That is why I me ...
Crash in Forward Renderer DX11 RHI Impl when using VR PIE
UE - Platform - XR - Dec 4, 2016// enforce color target is <= depth and MSAA settings match if(RTTDesc.Width > DTTDesc.Width || RTTDesc.Height > DTTDesc.Height || RTTDesc.SampleDesc.Count != DTTDesc.SampleDesc.Count || ...