Unreal Engine Issues
Unreal Engine Issues
Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP
UE - Niagara - Jan 30, 2020Changing a Niagara System Component's Override Parameter in a parent BP does not change the value in the child BP ...
The fill option for the horizontal alignment becomes inconsistent when changing scale of a user created widget that contains a text block wrapped in a size box
UE - Editor - UI Systems - Jun 23, 2015The smaller the scale box is the more to the right a text block from the user created widget will get. In this example the User created a text block that was inside of a size box. They they added th ...
Combo box does not function in packaged build
UE - Editor - UI Systems - May 10, 2017The ComboBox (string) element for UMG is not correctly displaying, The array options do not appear and can not be selected, for the packaged build, while PIE behaves as expected. Regression: This ...
Recompiling blueprint breaks Instanced class property inside child actor
UE - Gameplay - Blueprint Compiler - Apr 7, 2022When a blueprint class that contains an instanced property is used as the class for a child actor template, recompiling that class results in a disconnect between the instanced subobject in the blue ...
Adding/Removing a Material Layer on a Parent Material doesn't propagate to Children correctly
UE - Rendering - Architecture - Materials - Jun 9, 2026When a Material Layer is added to or removed from a Parent Material the layer changes don’t automatically propagate to Child Materials correctly even if the Parent Material is saved. The Child mate ...
Modifying FSuggestProjectileVelocityParameters::ResponseParam.CollisionResponse modifies FCollisionResponseParams::DefaultResponseParam
UE - Runtime - Simulation - Sep 17, 2024FSuggestProjectileVelocityParameters was introduced in 5.4 and has a FCollisionResponseParams member that's initialized as a mutable reference to FCollisionResponseParams::DefaultResponseParam. str ...
Empty Shot Track Breaks Camera Component tracks when using Camera Cut Track
UE - Anim - Sequencer - Aug 18, 2016Empty Shot Track Breaks Camera Component tracks when using Camera Cut Track ...
Slate memory stomp on engine shutdown caused by invalidation panel
UE - Editor - UI Systems - Slate - Feb 8, 2017A licensee reported a crash happening when the engine shuts down. We determined it only occurred when invalidation panels are used, likely caused by a call to ClearChildren on a canvas panel in an i ...
No shadow cast after Static Mesh Editor material assignment
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...
Root Motion Not Retained when Retargeting Animation Assets from UE4 to UE5
UE - Anim - Rigging - Retargeting - Apr 12, 2022Occurs 5/5 Times RootMotion of an animation asset is not retained when retargeting Root Motion Animation asset from UE4 to UE5. ...