Unreal Engine Issues
Unreal Engine Issues
Ensure when using ellipsis overflow method with very small Slate text boxes
UE - Editor - UI Systems - Slate - Aug 12, 2024The Ellipsis overflow method on text widgets can cause an ensure to trip as a result of a render batch being sent with no indices. We could guard against this in SlateRHIRenderingPolicy by checking ...
Crash at compile time when using a VariableSet node with a local variable created by pasting a private property
UE - Framework - Blueprint - Oct 7, 2025When a property is created in this way, a local variable with a Private flag is generated. Since such a variable is generally not desirable, it would be better to remove the Private flag upon pastin ...
HISM flickering when any character is visible
UE - Graphics Features - Jan 12, 2026On an NVIDIA GPU, Instanced Static Meshes can flicker when a Groom card or mesh LOD is visible. This appears related to an issue rendering the ISM into the Scene Depth. At the end of the Prepass, t ...
Opening a DataTable that is set to a Struct that is using a Key variable will crash the editor
Tools - Nov 3, 2015Opening a DataTable that is set to a Struct that is using a Key variable will crash the editor User Description: I'm getting this crash when using Key variable in DataTable. I was able to repro i ...
Crash in Persona when adding Notifies
OLD - Anim - Apr 14, 2015REOPENED NOTES: Crash Reporter: [Link Removed] Test Project: [Link Removed] Open project and press Play: Editor will crash. User reports this being due to sequential animations not being the sam ...
Opening particle system crashes editor
UE - Graphics Features - Jan 27, 2016Opening a specific particle system crashes the editor. If the particle system is used within a level and the level is played, the editor will crash with no callstack. Logs are attached. Frequency: ...
"Failed to Merge Bones" window can pop up repeatedly with no "...to all" option
OLD - Anim - Jul 6, 2015User is experiencing a situation where he gets this window 200 times and no way to get out of it with a single click. ...
Crash when renaming assets from the Persona asset browser
Tools - Mar 3, 2015Crash when renaming assets from the Persona asset browser [Link Removed] [Link Removed] LOG IS ATTACHED ...
Changing variable defaults in parent BP does not update changes in child
UE - Gameplay - Blueprint - Dec 9, 2014The changes made to the values for a transform variable setup in a blueprint will not show up in a child BP until the yellow arrows is pressed to reset to default. Other variable types update autom ...
External Reference Spam when converting projects to 4.9
UE - Foundation - Core - Cooker - Sep 1, 2015Map Check message log gets spammed with External Reference warnings when a project is converted to 4.9 from a previous engine version. These warnings don't seem to actually do anything to projects o ...