Unreal Engine Issues
Unreal Engine Issues
IME does not work in EditableTextBox in WidgetComponent
UE - Editor - UI Systems - Apr 5, 2024WidgetComponent controls widgets through VirtualWindow, but VirtualWindow does not have HWND, so IME cannot be enabled. The following workaround enables IME activation. void FSlateEditableTextLay ...
Editor Crash when changing Default Properties of a TArray of UStucts containing an InlineEditConditionToggle property in Blueprint Parent Class
UE - Editor - Workflow Systems - Apr 5, 2024This bug causes an editor crash. This crash occurs when changing the default values of a UStructs properties that are used as EditConditions, when they are set to InlineEditConditionToggle within a ...
Incorrect relative position on replicated child actor
UE - Networking - Apr 4, 2024The issue seems to occur when a replicated child actor is received on the client before its parent. The child actor will first be spawned at its correct global position, with its root component's p ...
Improved handling of material functions for Virtual Texture usage validation in materials
UE - Rendering Architecture - Materials - Apr 4, 2024To enable proper validation between virtual texturing and opacity masked materials, a user has to check a project-level setting in order to get the material to compile, otherwise, they will encounte ...
Poor performance when Player Collision view mode active in City Sample
UE - Simulation - Debug Tools - Apr 2, 2024The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project. The curre ...
Opaque GPU particles appear later than translucent one when Collision module is enabled
UE - Niagara - Rendering - Apr 2, 2024When spawning GPUCompute Sim Niagara system which is consist of opaque particle emitter and translucent one, if those emitters use Collision module, opaque particle often appears one frame later tha ...
Sampler Source: From Texture Asset with Streamed Virtual Texture
UE - Rendering Architecture - Mar 28, 2024It appears that Texture Samplers for Virtual Textures do not respect the Tiling Method from the Virtual Texture Asset when the "Sampler Source" is set to "from texture asset". ...
Translucency area has stripe-style issue on TSR
UE - Graphics Features - Mar 28, 2024The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facing planes. ...
GI not coming in with lighting build data when lighting built outside of main scene
UE - Graphics Features - Mar 27, 2024Volumetric Lightmaps are not shared between Persistent maps that have the same sublevels. Also observed in Release-5.4, CL 32500436 ...