Unreal Engine Issues
Unreal Engine Issues
Image appears upside down when using Export Render Target on Android
UE - Platform - Mobile - Oct 16, 2020Image appears to be upside down Bug was checked on production, engine version 4.25.3 and is NOT reproducible Regression = yes ...
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 ...
Python commandlet crashes when spawning actors in a level
UE - Editor - Workflow Systems - May 7, 2019Using the python commandlet to spawn actors within a Map and then saving it causes a crash in the commandline. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6338849) ...
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. ...
Stationary directional light per-object shadows not working with origin rebasing
UE - Graphics Features - Dec 2, 2019Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...
Placing 'Groom' asset into scene results in assertion failed
UE - Graphics Features - Feb 10, 2020Dragging a groom asset into the level results in a crash. Link to Project: [Link Removed] Tested in: 4.25 CL#11223911 ...
FFT corruption in bloom from sampling outside of viewport
UE - Graphics Features - May 27, 2021Licensee has suggested a fix: "Switching to >= resolves the problem: in GPUFastFourierTransform2DCore.ush, `bool InWindow = ...` at lines 127, 144, 170, and 185." ...