Unreal Engine Issues
Unreal Engine Issues
Resetting material instance parameters to default value does not update the appearance of the object that the material is applied to
UE - Rendering Architecture - Materials - Mar 10, 2025When a material instance with exposed parameters is applied to a landscape; the parameters set to a new value and then reset to back the default value, the landscape does not respect the new default ...
Missing RowStruct when opening a DataTable made with custom RowStruct
UE - Editor - May 13, 2022For some reason a datatable created in the editor, using a row struct built in c++, is corrupted after re-opening editor. Its row struct property is set to none. This is a regression. ...
Spaces in SCS component variable names carry through to the component template object name.
UE - Gameplay - Components - Feb 28, 2018Naming an SCS component variable something like "My Scene" results in a component template UObject named "My Scene_GEN_VARIABLE" (space included). This causes the property editor/details view to fa ...
Cannot run a packaged project if the project uses a Built-In Editor plugin and the project was packaged with the Build setting set to "Never"
UE - Foundation - Core - May 24, 2018This may be related to [Link Removed]. A packaged project will fail to run successfully if the project includes a Built-In Editor plugin and the project was packaged with the Build option set to "N ...
Compatible skeletons not visible when "Show Only Compatible Skeletons" is Selected in Retarget Window
OLD - Anim - Aug 19, 2015When you right click on a Skeleton and select "Retarget to another Skeleton," in the subsequent "Select Skeleton" pop up Window, compatible skeletons are not visible when "Show Only Compatible Skele ...
When Packaging a Blueprint Nativized Game, Child Actor BeginPlay is ignored and Parent BeginPlay is triggered instead
UE - Gameplay - Jul 5, 2018In a Blueprint Nativized Packaged Game a child Blueprint will trigger its parent logic instead of its own when it is called. This was reported in 4.20 Preview 5 (CL-4173640). This issue has been r ...
Crash on attempt to clear(NullifyInstance) of duplicated Hierachial Instanced Static Mesh
Tools - May 31, 2019When creating an C++ Actor with a Hierarchical Instanced Static mesh. when duplicating such an actor with mesh instances, the instances are not visible on the level. In this state, calling HISM comp ...
ILC/VLM doesn't affect Static Staticmesh at all on Mobile
UE - Platform - Mobile - Sep 23, 2019In practice, developer wants some Static-Staticmesh actors don't build lightmaps to save iteration time as well as Memory and Package size; but still want lit by Indirect lightings ...
An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue
UE - Anim - Sequencer - Mar 31, 2022An Actor with Run Construction Script in Sequencer set to true doesn't render out correctly with Movie Scene Capture or Move Render Queue. While previewing the Sequencer the actor moves as expected. ...
Visual delay when using Seek in media player blueprint
UE - Media Framework - Nov 29, 2022Reproduced about 6 times from 9 attempts. Regression TBD. ...