Unreal Engine Issues
Unreal Engine Issues
Serialization to archive corrupts data
UE - Foundation - Core - Nov 16, 2015Values stored inside variables becomes corrupted after creating an FBufferArchive variable (FBufferVar), setting FBufferVar.ArForceByteSwapping = true; and then storing the original value in FBuffer ...
Grid like distortion when using a render target 2d material in UMG with the Samsung Galaxy S3 and Firefox
UE - Platform - Mobile - Mar 9, 2015Edit MattK: This is probably not UMG related. There is a grid like distortion when using a render target 2d in UMG on the Samsung Galaxy S3 ...
Renaming an AnimNotify does not redirect event nodes to the new name
OLD - Anim - Apr 10, 2015Renaming an animNotify in the Animation Notifies window (Window>Animation Notifies) does not redirect existing event nodes to the new name. It also doesn't appear under the Right Click menu in the ...
No shadow cast after Static Mesh Editor material assignment
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...
Hot Reload: Component bCanEverTick is not updated after compile
UE - Gameplay - Components - Mar 15, 2017Setting PrimaryComponentTick.bCanEverTick in a custom actor component's constructor does not does not stop the component from ticking after compile. ...
Using VSM and Distance Field Shadows on the same scene results in missing shadows
UE - Rendering - Features - Shadows - Feb 9, 2026Nanite geometry does not cast Distance Field Shadows outside of the clipmap range for Virtual Shadow Maps. Non-Nanite geometry does cast these shadows. ...
Set Input Mode (UI Only/Game Only/Game and UI) Does not give an error when there is not a target connected (player controller)
UE - Gameplay - Blueprint - Aug 12, 2015When using a node that sets the input mode for the game, the input node will not take effect unless there is a player controller specified. However, the node does not give any warning of this. ...
Interface with one or more BlueprintNativeEvent declarations will lead to a compile failure during packaging with Blueprint nativization enabled.
UE - Gameplay - Blueprint - Nov 14, 2017In the UHT boilerplate that's generated for the FGUseableInterface type, there is a pure virtual declaration that's emitted for the BlueprintNativeEvent's required _Implementation() method: #define ...
Collision Problems on Meshes with Collision Complexity Setting UseComplexAsSimple
UE - Simulation - Physics - Dec 20, 2018Collision does not appear to work properly on a static mesh that is set up with UseComplexCollisionAsSimple. ...
DBuffer Decals render on top of HISM
UE - Graphics Features - Aug 3, 2015DBuffer Decals are rendering on top of Hierarchical Instanced Static Meshes despite being placed in the world behind the meshes. Also Reproduced in Main CL-2646357 and Releases 4.9 CL-2641818 [Ima ...