Unreal Engine Issues
Unreal Engine Issues
Material Preview for Post Process Material Does not display in Material Editor
UE - Graphics Features - May 19, 2017In the Material editor for when working with a Post Process Material, the material does not appear in the preview window. Regression: This issue does not occur in 4.15.2 Binary Builds ...
[CrashReport] UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()
UE - Platform - Apple - Jul 20, 2017This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13 ...
Animations are stuttering in Game Preview Server window
UE - Networking - Jul 27, 2018When 'Run Dedicated Server' is unchecked and you run PIE with 2 or more clients, all client's animations are stuttering on Game Preview Server window. This does not happen when Run Dedicated Server ...
Landscape Far Shadows Interfere With Distance Field Soft Shadows
UE - Graphics Features - Mar 5, 2019Landscape far shadows are interfering with the distance field soft shadows causing a conflict, and stopping the distance field soft shadows from rendering at all. Working as expected in 4.20 CL# 43 ...
Landscape Tutorial Missing a Word
Docs - Dec 9, 2019In the Landscape Tutorial Overview there is a word missing in the tutorial. ...
Engine Crashes When Converting an Int to Float For a Map Key In Blueprints
UE - Gameplay - Blueprint Editor - Dec 11, 2019The engine crashes when trying to automatically create a type conversion node when they are used a key for a map. Found in 4.24 CL#10570792 Reproduced in 4.25 Main CL# 10646676 ...
UDelegateProperty define missing in DefineUPropertyMacros.h
UE - Foundation - Core - May 11, 2020The following code should be added in defineUPropertyMacros.h #ifndef UDelegateProperty #define UDelegateProperty DEPRECATED_MACRO(4.25, "UDelegateProperty has been renamed to FDelegateProperty") F ...
RetargetSource in AnimSeqeuence doesn't affect DDC key
UE - Anim - Runtime - Aug 4, 2020Retarget source doesn't affect DDC key, so it causes incorrect result. Changing the anim sequence DDC key generation to include it fixes this issue. ...
Running Lyra with a Startup Movie causes a crash
UE - Editor - UI Systems - Slate - Jun 26, 2023Adding a startup movie to a Lyra Starter game project will cause a crash in a packaged build. Full callstack is attached ...
Volumetric fog flicker side screen
UE - Rendering Architecture - Nov 29, 2023The flicker is visible in Epic scalability as well, it is just smaller on screen because the fog voxels are smaller (r.VolumetricFog.GridPixelSize). ...