Unreal Engine Issues
Unreal Engine Issues
Point lights with source length building static or stationary lighting will build incorrect shadows on movable objects
UE - Graphics Features - Lumen - Jun 12, 2018Adding source length to a point light that is set to stationary or static will cause shadows to build incorrectly on movable objects. Working as expected in 4.18 CL# 3832480 Found in 4.19 CL# 4033 ...
IOS binaries are not included when a plugin is packaged for IOS using a binary Engine installation
UE - Foundation - Cpp Tools - UnrealBuildTool - Aug 7, 2018Packaging a plugin for the IOS platform on a Mac completes successfully, but there are no IOS binaries included in the packaged plugin. Once the package process completes, the packaged plugin only c ...
Scene Capture 2D Doesn't Capture 3D Widget If It Is Off Sceen and Capture Every Frame Is Disabled
UE - Graphics Features - Aug 14, 2018The scene capture 2d doesn't capture a 3d widget if it starts off screen with capture every frame disabled. Found in 4.15 CL# 3450819, 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4275031 May be r ...
Directional Light Is Not Casting Shadows Past a Certain Point In Large Worlds On All Actors/Grass
UE - Graphics Features - Sep 5, 2018Directional light is not casting shadows past a certain point in large worlds on all actors/grass. In 4.19 CL# 4033788 shadows show up but not until the camera is very close to the object. 4.19 Pro ...
Wireframe Appears Aliased and Draws Behind the Editor Grid
UE - Graphics Features - Jan 10, 2019When the Editor grid is enabled, it draws over the wireframe objects. This is especially clear in orthographic views where the grid completely obscures wireframe lines aligned to the grid placement. ...
GPU Particle Preview Flickering with Distance Field Collision
UE - Niagara - Jan 15, 2019When switching from Scene Depth Collision to Distance Field Collision for a GPU particle system the preview window flickers, but returns back to normal when switching back to Scene Depth. Found in ...
Niagara System User Parameters Resetting After Closing the Editor
UE - Niagara - Jan 18, 2019Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z. Foun ...
Meshes With Multiple Morphs / Blendshapes Import Incorrectly
OLD - Anim - Jan 31, 2019MorphTargets/BlendShapes are read from the scene, not the morpher modifier. This also results in blendshapes names being equal to morph target object name (objects), rather then names from morpher m ...
Sphere traces where Start and End locations are the same are not triggering any hits
UE - Simulation - Physics - Jan 17, 2019This has changed since 4.21, AOE attacks are not being registered. Paulo S took a look and determined that this is an engine bug: Happens with any radius based attack. What I found is that any Sphe ...
Niagara Mesh Renderer Incorrectly Rendering Mesh at Distances When Using Two Sided Material
UE - Niagara - Mar 25, 2019Niagara Mesh Renderer Incorrectly Rendering Mesh at Distances When Using Two Sided Material. Working as expected in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 Preview 6 CL# 5439949 and 4 ...