Unreal Engine Issues
Unreal Engine Issues
IsDataValid is not called on components inherited via the Simple Construction Script
UE - Gameplay - Blueprint - Oct 7, 2021IsDataValid is not called for components inherited via a parent's SCS. I've attached a small repro project. (4.27) ...
Datasmith incorrectly imports 3Dxml files
UE - Editor - Content Pipeline - Datasmith - Importer - Apr 1, 2022Datasmith incorrectly imports 3Dxml files. In 4.27 and Early Access 2 the file imports correctly. ...
Crash when getting input action value from a component
UE - Gameplay - Input - Nov 30, 2022NOTE: I have been unable to repro this locally, but the crash is because of a null de-reference so we can at least add that to fix up the issue for them. ...
Parameters end up associated with the wrong layer after certain material layer swaps
UE - Rendering Architecture - Materials - Mar 6, 2023The licensee has also provided an explanation as to why this issue occurs + guidance for a potential fix. Please see the UDN for more details. ...
Game does not exit when exited through SteamVR UI
UE - Platform - XR - Oct 13, 2016Previously the game would crash (see: [Link Removed]), but the fix now keeps the game running without VR instead. ...
LandscapeComponent generates incorrect OccluderVertices for software occlusion
UE - LD & Modeling - Terrain - Landscape - Sep 17, 2019OccluderVertices didn't consider the subsection's transition, so the position of the OcclusderVertices are not correct. I made a fix as follows: [Image Removed] [Image Removed] ...
>1ms increase in frame time with showflag.translucency , despite minimal translucency in the scene
UE - Graphics Features - Sep 2, 2021Licensee reports this change, and can confirm a very rough similarity observed in a template project in 4.27: [Image Removed] ...
Collision between Vehicles and Instanced Meshes are behaving differently than expected
UE - Simulation - Physics - May 20, 2022This is a regression tested in //UE4/Release-4.27 CL18319896 Vehicle from the Vehicle template clips through instanced meshes, and can't be driven on them. ...
Screen Percentage does not behave correctly with SceneDepth Post Processing
UE - Graphics Features - Sep 14, 2022This is a regression tested in //UE4/Release-4.27 CL18319896 Screen Percentage does not behave correctly with SceneDepth Post Processing. ...
Text cannot be displayed when switching languages if a text is constructed using LocalizationTable at runtime.
UE - Editor - UI Systems - Localization - Dec 5, 2022Using LocalizationTable in text localization does not switch text correctly. This is not a problem in UE4.27, but it is a problem in UE5.0 and later. ...