Unreal Engine Issues
Unreal Engine Issues
A Mesh that is attached to a skeletal mesh by a Socket will not accurately follow when transitioning from animation to ragdoll
UE - Gameplay - Apr 29, 2015A Mesh that is attached to a skeletal mesh by a Socket will not accurately follow when transitioning from animation to ragdoll. This is potentially due to the Frame Delay that the engine uses. ...
Rapid Memory consumption when adjusting slider value for Blueprint in Details Panel
UE - Graphics Features - May 12, 2016When a Planar Reflection component has been added to a Blueprint that has adjustable sliders that can be edited via the Details panel that updates the Blueprint via the construction script the memor ...
Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level
UE - World Creation - Worldbuilding Tools - Level Instances - Feb 12, 2025Duplicating many Actors at once in a Level Instance while in Level Instance Edit will result in a jumbled mess of Actors on the Persistent Level. The licensee has encountered this in Unreal 5.4 and ...
When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with Stationary Lights
UE - Graphics Features - Apr 26, 2019When a Texture Object is used for the "Tex" Input of a Texture Sample node in a material, the material will no longer contribute to indirect lighting when used with static lighting. Working as expe ...
Blueprint parameter of a function call will break on reload of the editor
UE - Gameplay - Blueprint - Jun 8, 2015When using a code created function call inside of a blueprint that takes in a pointer to a UBlueprint as a paramter the pin for setting the desired blueprint will cause a compile error when the edit ...
When using object lit by the Indirect Lighting Cache sometimes the cache will not load correctly for movable objects when a level is streamed that contains a landscape
UE - LD & Modeling - Terrain - Landscape - Jun 26, 2015When setting up a scene with a persistent level and any sublevel that contains a landscape that is loaded via load stream level node in the level BP can cause the ILC to not be correctly assigned fo ...
Creating a float variable named lifespan in an Actor Blueprint and setting its default value will override the life span of the parent class
UE - Gameplay - Blueprint - Dec 19, 2016Creating a float variable named lifespan in an Actor Blueprint and setting a default value for it will override the parent class' life span setting. I was unable to find any variable in the Actor cl ...
Having lots of SpeedTrees loaded in/out/in with level streaming causes crash with Standalone game
UE - Foundation - Core - Jan 21, 2015Description: When using lots of static meshes placed in the scene and using level streaming to switch levels out can cause standalone game to crash while loading the map back in. For example, if you ...
Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position
UE - Anim - Sequencer - Mar 28, 2025A Sequence with Override Instance Data enabled and a SubShot will accumulate the TransformOrigin Location wrongly and overshoot the expected end position. The licensee has encountered a particular s ...
A 3D wdiget with a text block that has a large font size will crash a packaged project
UE - Editor - UI Systems - Oct 20, 2015Using a 3D Widget with a text block who's font size is set to 1,000 will give a fetal error when packaged. Note: The package will succeed, however when the project is opened the user will receive ...