Unreal Engine Issues
Unreal Engine Issues
Updating Material does not update platform stats in derived Instance
UE - Rendering Architecture - Materials - Nov 26, 2024It would seem that updating a material does not update the associated platform stats in a material instance editor, only the parameters. Can workaround by manually invoking shader compile in the ma ...
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 ...
Editor Performance issue : Loading/unloading multiple Levels / Level Instances triggers each time a call to FActorFolders::RebuildFolderListForWorld
UE - World Creation - Worldbuilding Tools - Level Instances - Nov 25, 2024Revisit how FActorFolders are updated when loading/unloading Levels (level instances). The code should maintain the folder list instead of rebuilding everything. ...
Diffing blueprints in Perforce changelist reviewer incorrectly displays blueprints that reference assets not in local filesystem
UE - Framework - Blueprint - Nov 22, 2024When diffing a blueprint in the Perforce changelist reviewer in-editor (Review Changelists), if the blueprint references an asset that does not exist locally but rather exists as a newly added asset ...
Using multiple SceneCapture2D with DLSS Enabled crashes UE
UE - Graphics Features - Nov 22, 2024A licensee is reporting a crash (or rather a check fail) in Sceneview.cpp which happens with when a SceneCapture2D is used with DLSS enabled. He has a fix, and wants to share it with us for integrat ...
Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale
UE - Simulation - Physics - Nov 22, 2024Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale. The licensee has reported and presented a repro project that displays the erratic behavior of ...
Shadow Maps performance issue with 5.4 in comparison towards 5.3
UE - Graphics Features - Shadows - Nov 20, 2024Shadow depths performance for non-VSM in certain scenes, notably those with rect lights and meshes that are set to movable, went from ~2ms to ~18ms going from UE 5.3 to UE 5.4. Setting the movable a ...
Getting the Outer (GetOuter()) inside AssetUserData::PostEditChangeOwner added to an instanced actor in a level returns the Outer marked with "Trash"
UE - Framework - Nov 20, 2024When you call GetOuter() inside AssetUserData::PostEditChangeOwner, the Outer that is returned, is marked as "Trash". This is because the object is constructed again when an AssetUserData is added. ...
Behavior Tree (BT) services added to root nodes call the initial tick twice
UE - AI - Nov 20, 2024Behavior Tree (BT) services added to root nodes call the initial tick twice A BT Service with the setting "Call Tick on Search Start" enabled will execute the initial tick twice when added to the ro ...
Widget Flickering Observed in RetainerBox with Incorrect LayerId
UE - Editor - UI Systems - UMG - Nov 19, 2024Setting the Phase Count of a RetainerBox to 2 or more may cause other widgets within the same UserWidget to flicker. Upon investigation, we found that during frames where the flickering occurs, the ...