Unreal Engine Issues
Unreal Engine Issues
Normal of Skeletal Mesh is incorrect when Recompute Tangent is used when Skincache is enabled
UE - Graphics Features - Aug 12, 2020This issue occurs in Skeletal Mesh depending on the model when Skincache is enabled and affects the rendering. ...
Hot reloading newly created C++ project compiles modules
UE - Foundation - Core - Apr 25, 2017This is a regression from 4.15.2 and occurs on both Windows and Mac. Affects both Binary and Github builds. ...
Copy Pose From Mesh Node Does Not Preview in Sequencer
OLD - Anim - Jun 13, 2018Copy Pose From Mesh node does not affect the animation when previewing in Sequencer. This works when played in the editor. ...
Console is off screen in VR preview when windows scaling is set to 150% or above
UE - Platform - XR - Jun 29, 2018Windows scaling appears to affect the HMD if the project is open on a screen with window scaling being used. ...
Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open
UE - Framework - Blueprint Editor - Jun 7, 2021A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...
[AI] Crash while loading navmesh with async static mesh compilation enabled
UE - Runtime - Character - Jun 16, 2022I tried 10+ times but am unable to get this to reproduce locally. Licensee reports that this is a rare crash for them. ...
[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 ...
Background blur missing with HDR CompositeMode 1
UE - Rendering - Features - Jul 29, 2021UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...
All Megascan asset libraries are missing
TM - Core - Oct 15, 2025All Megascans assets no longer appear in Twinmotion 2025.2 hotfix (46767548). Other libraries do not appear to be affected. ...
UnrealMathTest fails when compiled with VS2019
UE - Foundation - Cpp Tools - Oct 10, 2019A crash or breakpoint is triggered when building UE4 with Project Files generated with -2019. Typeinfo.h was changed in MSVC v14.23 to just be typeinfo. ([Link Removed]) There is a pull request t ...