Unreal Engine Issues
Unreal Engine Issues
Shader Complexity not working correctly on Deferred Decals
UE - Graphics Features - Sep 3, 2020If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...
Strange Artifact under SingleLayerWater with dynamic directional light and LightPropagationVolumes
UE - Graphics Tools - Terrain - Water - Aug 30, 2021upd. Regression was checked on //UE4/Release-4.26 CL 15973114, the issue was reproduced. Regression - No [Image Removed] ...
Enabling windows animation causes dropdowns to glitch up and down.
UE - Editor - UI Systems - Nov 18, 2021Observe dropdowns glitching up and down when enabling Windows Animation in editor preferences. This is not a regression due to it occurring in 4.26.2 ...
Typo in water body ocean materials parameter
UE - Graphics Tools - Terrain - Water - Nov 18, 2021In Water_Material_Ocean material, there is a typo under FluidSimulation that says "Siulation Flowmap Speed" This is not a regression due to it occurring in 4.26.2. ...
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. ...
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 ...
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. ...
HDR (eye adaptation) visualization has incorrect output when Allow static lighting is disabled
UE - Graphics Features - Mar 19, 2025Licensees have reported that this issue occurs in UE 5.5 and does not appear to occur in UE 5.4 or with Substrate enabled. ...
Unreal Editor Submenus Disappear on Mouse Hover on Linux during Remote Session
UE - Editor - Applied Usability - May 8, 2025Sub-menus disappear when using Linux in a remote session in launcher build of UE Release 5.5.4. ...
Font outlines do not multiply color and opacity from parent widgets
UE - Editor - UI Systems - Slate - Jan 16, 2017We don't currently multiply by the parent widget's color and opacity when calculating the color and opacity of a text block's outline. Since color and opacity are precalculated before the outline is ...