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 ...
Diffing blueprints in Perforce changelist reviewer incorrectly displays blueprints that reference assets not in local filesystem
UE - Gameplay - 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 ...
RegisterAssetTypeCategory failed as all user bits have been exhausted
UE - Editor - Content Pipeline - Nov 22, 2024Hi, with adding additional plugins, etc. to our project, we have encountered an issue with registering too many asset categories, such as: LogAssetTools: Warning: RegisterAssetTypeCategory("Water", ...
Bug: Relative File Paths for Asset Source Files are Incorrectly Generated for Engine and Engine Plugin Assets
UE - Editor - Content Pipeline - Nov 21, 2024When importing an asset like a Texture asset using the steps mentioned in the Repro steps, the imported asset does not have the correct relative path listed under the newly-created asset's "Source F ...
Invalid PropertyConnectedMask in layered material instance when base material doesn't use material attributes
UE - Rendering Architecture - Materials - Nov 20, 2024When UMaterialInstanceConstant::UpdateCachedData() updates CachedExpressionData.PropertyConnectedMask for material instances with layers incorrectly, it can lead to various graphical issues includin ...
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 ...
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 ...
Lumen temporal flicker after leaving Editor open for 3+ days
UE - Graphics Features - Lumen - Nov 18, 2024Lumen GI has temporal flickering/noise after running the Editor for 3+ days. ...
BakedSourceTexture missing from Sprite in packaged game
UE - Gameplay - Paper2D - Nov 15, 2024The UPaperSprite::BakedSourceTexture will be nullptr in a packaged game if the sprite is not referenced by the UGameInstance. The attached sample project demonstrates this scenario. ...