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 ...
Crash on packaged dedicated server when a uproperty is marked as both replicated and editor-only
UE - Foundation - Cpp Tools - UnrealHeaderTool - Nov 26, 2024In some situations, it can be useful to have a replicated editor-only C++ property (For example, the user that reported this issue was attempting to replicate settings to the client for game designe ...
Custom animation node in game module fails to load in -game or packaged project
OLD - Anim - Oct 29, 2015Not sure if this is an Animation or a Core issue, but a runtime Anim Node will not load properly with "-game" or in a packaged build. The developer that made this sample read this blog post: [Link ...
Setting LOD Group for Foliage wipes previous LOD data
Tools - Feb 4, 2015If you import a mesh with LODs and assign the LOD Group for Foliage the mesh will import with all appropriate LODs. If you do not select a LOD group and after decide you want to change the LOD Grou ...
Attached Project Crashes While Opening After Conversion From 4.10 to 4.11
UE - Foundation - Core - May 3, 2016The attached project is now crashing after being upgraded from 4.10.4 to 4.11.2. This crash also occurs when attempting to open a copy of the project in 4.12 Preview 1. After further investigation ...
Attached actor rotates incorrectly if the parent has negative scaling on one axis and more than 1.0 scaling on another
UE - Gameplay - Dec 27, 2016A child actor rotates incorrectly if the parent has negative scaling on one axis and more than 1.0 scaling on another. The child/parent relationship was created through the World Outliner. Licensee ...
Cast modulated shadows causes black screen on iOS with non-default FOV
UE - Platform - Mobile - Oct 14, 2015Using a FOV other than 90 with Cast Modulated Shadows seems to cause a black screen and weird FOV issues on an iOS device, in 4.9.2. If the camera has FOV=90, it works fine on the iOS device. If th ...
Editor becomes unresponsive for long periods between edits of a user-defined enum type when it's referenced by one or more user-defined struct types.
UE - Gameplay - Blueprint - May 17, 2021After adding a member to a user-defined struct type and changing the member type to a user-defined enumeration, repeated edits to that enumeration will eventually cause the editor to become increasi ...
Landscape LOD behaviours is not working as expected (Its Calculation is not based on Sections anymore)
UE - Graphics Tools - Terrain - Landscape - Apr 10, 2024"Components can optionally be divided into either 1 or 4 (2x2) subsections to increase the resolution of the Landscape. These subsections are the base unit of Landscape LOD calculation." From Doc ...
Crash editing Transition Logic after deleting State and Transition in State Machine
UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...