Unreal Engine Issues
Unreal Engine Issues
MaterialExpressionSubtract doesn't compile in plugins
UE - Graphics Features - Mar 23, 2016Adding the following code to a plugin source file prevents the associated project from compiling in visual studio whereas this code will compile successfully inside of a class added directly to the ...
Particle disappears if it is using PSA_Velocity and setting custom time dilation 0
UE - Graphics Features - Dec 7, 2016A licensee reported some of their particles disappear when setting the actor's custom time dilation 0. This seems to happen when a particle is using PSA_Velocity as Screen Alignment. This repros in ...
Landscapes do not Render when used with Lighting Scenarios on Mobile
UE - Platform - Mobile - May 15, 2017Landscapes disappear using Lighting Scenarios when deployed to a mobile device. When playing in the editor using the mobile previewer, everything looks as expected. It only occurs when deployed to ...
ParticleCutout don't work when AlphaThreshold is 0
UE - Graphics Features - Dec 16, 2016UParticleModuleRequired::PostEditChangeProperty use "AlphaThreshold > 0". So, if AlphaThreshold = 0, particlecutout don't work. ...
IPhonePackger re-signs app with old signature format that makes users get the warning popup on iOS
UE - Platform - Mobile - Jan 27, 2021Apple forces developers to code sign an app using the latest code signature format and IPP needs to support it. a related link: [Link Removed] ...
Sharing TransitionRule of multiple AnimStateTransitionNode, when AnimBP is opened it becomes dirty
OLD - Anim - Dec 15, 2017Sharing transition rule it will be Dirty when AnimBP opens. When AnimBP is open, "if(BoundGraph->GetOuter () != Node)" is true in FBlueprintEditorUtils::UpdateOutOfDateCompositeWithOuter, BoundGrap ...
Overridding a function with no return value in a ChildBP produces an event instead of a function
UE - Gameplay - Blueprint - Dec 17, 2015If you have a BP with a function that has no return value, then override that function in a ChildBP, it becomes an event and cannot be used like a normal function ...
Dialog Subtitles randomly Disappear or Display out of Sync
UE - Audio - Sep 8, 2016Dialog Subtitles display out of order or disappear when called to the screen. The users reporting the issue believe this could be due to the priority of the Sound Waves conflicting with one another ...
Lighting Scenarios Map Check warning about multiple skylights not supported
UE - Graphics Features - Dec 5, 2016When using Lighting Scenarios and placing a skylight in the lighting scenario levels when you build lighting there will be a map check warning that "Multiple sky lights are active, only one can be e ...
Can't clear AnimBp reference from an old asset(4.10 or before) with a skeletalMeshComponent
OLD - Anim - Mar 2, 2017When using an older asset(4.10 or before) with a skeletalMeshComponent in a newer engine version, a reference for the original AnimBP remains after changing the mesh component's Anim Class. ...