Unreal Engine Issues
Unreal Engine Issues
DBuffer Decals Don't Display Correctly As A Decal Component In Blueprint Actor
UE - Graphics Features - Mar 20, 2017Dbuffer Decal materials don't render correctly when applied to a decal component in a blueprint. You can compare it to the decal actor and see that they aren't visually the same despite having the s ...
Cvars sections in Sequencer behaving incorrectly when using MRQ
zComponent - Archive - Aug 9, 2023Some key lines in the code:Engine\Source\Runtime\MovieSceneTracks\Private\TrackInstances\MovieSceneCVarTrackInstance.cpp:177 --> Apply CVar when entering sectionEngine\Source\Runtime\MovieSceneTra ...
Can't PIE or Save: Editor gets into odd state when editing parameters.
Tools - Jul 20, 2016I've seen this happen in other areas of the editor as well: Data Table fields (floats) for example. Manually typing in numbers to fields seems less prone to this error; using spinners to drag value ...
Decal creates lighting artifacts on edge of meshes
UE - Graphics Features - Aug 22, 2017When using deferred decals there are artifacts that are caused by the emissive color of the decal when viewing the decals from a low angle. These artifacts appear as thin lines on the edges of the m ...
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
zComponent - Archive - 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 - AI Workflows - 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 ...