Unreal Engine Issues
Unreal Engine Issues
Package build crashes when using Niagara system on a Skeletal mesh
UE - Niagara - May 29, 2019Packaging a project having a skeletal mesh with a niagara system attached to it in the scene causes the build to crash when running the executable. I have attached the log and dmp files relevant t ...
The Temporal console variable has the wrong value
UE - Graphics Features - Aug 20, 2019The r.SSR.Temporal console variable value is always set to its debugging value of 0 instead of being at its default of 1 Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P6 (CL - 798402 ...
Casade debug cone is drawn at the wrong rotation
UE - Niagara - Aug 21, 2019The B 3DDraw Mode functionality draws at the wrong rotation for the Velocity Cone module. It seems to draw 90 degrees off. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P7 (CL - 8115 ...
UAnimInstance::GetInstanceTransitionTimeElapsed returning 0 in non-editor builds
OLD - Anim - Sep 4, 2019In non-editor builds UAnimInstance::GetInstanceTransitionTimeElapsed always returns 0.0f. This is caused within FAnimNode_StateMachine::Update_AnyThread due to: #if WITH_EDITORONLY_DATA NewTra ...
Mac - Media Player - Web Cam not accessible
Media Framework - Jan 20, 2020Audio/Video Devices are no longer accessible via Media Player on Mac. User info: "We think it is connected to camera and microphone privacy. We have got a crash trying to access to camera from cust ...
The Perspective grid Z Fights with meshes placed in world (regression)
UE - Graphics Features - Jan 12, 2017The editor grid will zfight with meshes that intersect the grid in the 3d viewport. Creates and unpleasant experience while working with the grid turned on. Repro: 1. Launch Editor 2. create new ...
A WaterBody blueprint class with an added component will not compile if Blueprint Nativization is enabled
UE - Graphics Tools - Terrain - Water - Nov 23, 2021This is Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced When adding a component to a Water Body actor it should ...
CaseIssues with Korean input in Window 11
UE - Editor - UI Systems - Jun 14, 2023When entering Korean in the EditableBox on Windows 11, the two Korean characters after pressing the Space key are not entered. I confirmed that it occurs in UE5.1 and UE5.2, and it does not occur i ...
Float Curve evaluation may yield completely wrong results due to floating-point precision issue
UE - Anim - Runtime - Oct 31, 2024Note: This is possibly related to [Link Removed]. For some inputs, function UE::Curves::WeightedEvalForTwoKeys() inside file "CurveEvaluation.cpp" can incorrectly return the value of the first key, ...
Editor crashes when right clicking a box collision after adding a converted static mesh in blueprint editor
UE - Gameplay - Blueprint - Sep 1, 2016I created a cylinder with a subtractive cylinder inside of it. I also used a box BSP with a subtractive box inside of it and got the crash to repro. I tried with a sphere BSP twice and didn't get ...