Unreal Engine Issues
Unreal Engine Issues
Specular Displays Incorrectly In ES2
UE - Platform - Mobile - Dec 15, 2016Specular seems to be much brighter in ES2 to the point to where a bright specular highlight will appear even with a value of 0. ...
Packed level blueprint does not behave as noted in documentation.
UE - World Creation - Worldbuilding Tools - Nov 28, 2022In the documentation page: [Level Instancing in Unreal Engine | Unreal Engine 5.0 Documentation|https://docs.unrealengine.com/5.0/en-US/level-instancing-in-unreal-engine/] it is mentioned that: [ ...
Trace to complex collision returns incorrect PhysicalMaterial
UE - Simulation - Physics - Dec 15, 2022In ConvertQueryImpactHitImp, MaterialIndex is looked up from InternalFaceIndex, but FTriangleMeshImplicitObject:: MaterialIndices is an array by ExternalFaceIndex, so it returns incorrect material i ...
Xcode 26/16.4 Metal Toolchain generates metallib's that are not compatible with iOS 16
UE - Platform - Apple - Sep 23, 2025Below is the error output from FirstPerson template as a C++ project: {+}../../../FirstPerson58CPP/Content/firstperson58cpp_sf_metal_es3_1_ios-metal_es3_1_ios.0.metallib, 5881486 bytes!2025-09-23 1 ...
[CrashReport] Assertion failed - FAssetEditorManager::OpenEditorForAsset()
UE - Anim - Sequencer - Jul 20, 2017This is a common crash affecting users in 4.16. Unfortunately they have not provided any additional information ...
ACharacter JumpMaxHoldTime quickly prevents jumping on the server
UE - Gameplay - Blueprint - Sep 18, 2017-Character no longer jumps to full height when on client when setting maxholdtime to anything above 0 in character blueprint ...
LeapHandGrabbing comment is different than actual used value for hand grabbing.
UE - Platform - XR - Oct 24, 2016The comment for LeapHandGrabbing( ) states grab strength is 0.5 when HandClosed( ) only returns true when grab strength is equal to 1.f. ...
Error when attempting to generate an SSH key for remote building
Tools - Oct 7, 2016Error is displayed when attempting to generate an SSH key.Unexpected remote arg: EngineQA@10.1.110.49:.ssh/RemoteToolChainPrivate.key rsync error: syntax or usage error (code 1) at /home/lapo/packa ...
The getter/setter function bAllowRightClickDragScrolling incorrectly refers to AlwaysShowScrollbarTrack
UE - Editor - UI Systems - UMG - Aug 28, 2023UScrollBox::AlwaysShowScrollbarTrack has its own getter/setter function (SetAlwaysShowScrollbarTrack/IsAlwaysShowScrollbarTrack). In another property for UScrollBox::bAllowRightClickDragScrolling, ...
[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 ...