Unreal Engine Issues
Unreal Engine Issues
Niagara emitter shrinks when changing the camera
UE - Niagara - Mar 20, 2019Moving the camera to be perpendicular to the Niagara Actor causes a change in its size. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5439949), 4.23 (CL - 5470758) ...
Default Values missing from Local Variables in Blueprint Actor Construction Script
UE - Gameplay - Sep 19, 2019Specific to the Blueprint Construction Script, Local Variables cannot have their value set in the Editor, because the "Default Value" section of the Details tab will never appear. This only affects ...
[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map
UE - World Creation - Worldbuilding Tools - OFPA - Apr 18, 2022When trying to recreate an issue that resulted in [Link Removed], I came across this call stack. Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...
Crash when locate_bound_objects is called
UE - Anim - Sequencer - May 14, 2024This has been tested internally using an editor utility widget yielding the same results. That small project is attached. BoundingObjectTest. 1) Open the project 2) Run the Editor Utility Widget ...
New Docker image for latest horde has no bundled installers
UE - Foundation - Horde - Mar 4, 2025Source UDN [Link Removed] & [Link Removed] & [Link Removed] We need to produce a docker image that contains latest bundled installers for 5.5.2 (or 5.5.3?). ...
Toggling Material Layer visibility in Parent Material doesn't propagate to children
UE - Rendering - Architecture - Materials - Jun 9, 2026When Material layer visibility is toggled on the Parent Material in a Material hierarchy, only the Parent’s layer visibility is affected, the children are not. Saving the Parent material has no effe ...
Creating blueprint based on landscape crashes editor
UE - LD & Modeling - Terrain - Landscape - Aug 24, 2016If a blueprint is created from a landscape object, the editor will crash. Frequency: 5/5 ...
Editing InlineEditConditionToggle variable value causes editor to crash
Tools - Oct 7, 2016Editing property with InlineEditConditionToggle meta specifier causes the editor to crash. Workaround: Calling Super::PostEditChangeProperty after property changing code prevents crash from occurri ...
Cancelling level save due to previous save crashes editor
UE - Foundation - Core - Sep 12, 2016If a level has been saved as two different levels and a new save initiated, the editor will crash if the overwrite is cancelled. Frequency 3/3 Regression (Yes) issue (does not) occur in 4.12.5 ...
Editor crashes if a sublevel with a landscape is duplicated then added to the persistent level as a sublevel.
UE - LD & Modeling - Terrain - Landscape - Aug 18, 2016If a sublevel is duplicated and contains a landscape, the editor will crash when the duplicate level is added to the persistent level as a sublevel. Frequency 4/4 Regression (yes) issue (does not ...