Unreal Engine Issues
Unreal Engine Issues
Crash When Raycasting Against Mesh With Multiple Materials
UE - Simulation - Physics - Feb 26, 2016When using a raycast trace against a blueprint that has a child component with multiple materials will cause the editor to crash after a few times. This will not be an instant crash, but requires th ...
BP - Editing defaults on a nested subobject of a component inherited from a native parent class won't preserve those defaults when the BP is instanced.
UE - Gameplay - Components - Jan 19, 2017I think the issue is that in GetInstancedSubobject() (CoreNative.cpp), the following bit of code is not considering that the instanced subobject might be outered to another instanced subobject withi ...
Collision outcome is different between PIE and Mobile Preview/Packaged Project.
UE - Simulation - Physics - Mar 25, 2015When playing the user's project in editor vs Packaged, there has been different results for the enemies collision. When playing in PIE, you are able to fly through the enemies with no issues. When p ...
Destructible Mesh spawned before static mesh with World or Asset support is not supported
UE - Simulation - Physics - Destruction - Apr 27, 2015When using World Support or Asset Defined Support on a Destructible mesh that is spawned in, if the static world geometry is spawned in after the DM it will not be supported. However, if the static ...
Duplicated PCG Component instance resets overridden parameters to default
UE - Graphics Tools - PCG - Components - Jun 4, 2025Context: Similar to parameters in the Material editor, PCG Graph Parameters are user created overridable values and can help create customizable graphs for a variety of situations. Problem: The l ...
Toggling a Spline component from an open/closed loop through bp's isn't reflected
Tools - Jan 19, 2015Toggling a Spline component from an open/closed loop through bp's isn't reflected ...
Dynamic Parameters do not function in Beam Emitters
UE - Graphics Features - Apr 10, 2015Transfered Issue from TTP # 298314, originally opened in TTP on 6/3/2013 and updated with Answerhub post information on 5/18/2014 Dynamic Parameters cannot be used with a Beam Emitter, they pass no ...
Existing widget name error from rejected widget object.
UE - Editor - UI Systems - Dec 5, 2017Rejected widget object for paste action from other widget somehow remains in the widget editor making name conflict for other widgets. ...
ChildActor Component with physics spawns at the wrong location
UE - Gameplay - Jul 16, 2015ChildActor Component spawns at the wrong location as long as the actor that the ChildActor is referencing has the StaticMesh set as the root and simulating physics. User Description: Basically I h ...
Adding a Material Parameter track sets Parameter to Master Material defaults
UE - Anim - Sequencer - Aug 5, 2016In Sequencer, adding a Material Parameter track sets Parameter to Master Material defaults ...