Unreal Engine Issues
Unreal Engine Issues
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. ...
Volumetric fog rendering gets cut off at the apex for some spot lights when viewed from certain angles
UE - Rendering Architecture - Apr 19, 2023Fix is found in licensee’s pull request:https://github.com/EpicGames/UnrealEngine/pull/10333/files ...
Crash when playing a HapticFeedbackEffect_Soundwave
UE - Platform - XR - Aug 30, 2016Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...
Using the Clean command in XCode prevents the editor from opening
UE - Platform - Apple - Nov 18, 2015In XCode, if the Product->Clean option is used, the editor from the launcher will not open. Workaround: This can be fixed by running Verify from the Launcher. ...
Ensure condition failed: PrimitiveComponent tried to render with Material MaterialInstanceDynamic, which was not present in the component's GetUsedMaterials results
UE - LD & Modeling - Terrain - Landscape - Feb 22, 2017Top 10 ensure in 4.15. There was a fix submitted for [Link Removed] which was verified as following those steps to reproduce no longer causes this. ...
Renaming a Blueprint variable loses override in grandchild Blueprint
UE - Gameplay - Blueprint Compiler - Nov 26, 2019Renaming a Blueprint variable loses override in grandchild Blueprint. Modifying and saving the BP_Child fixes the issue with BP_Grandchild losing overrides. ...