Unreal Engine Issues
Unreal Engine Issues
Material Artifacts When Using World Position and Pixel Normal Together
UE - Graphics Features - Jan 2, 2019When using "World Position" and "Pixel Normal" nodes together. it causes artifacts in the material. In 4.19 CL# 4033788 this did not occur with the same material setup. Found in 4.20 CL# 4369336, 4 ...
IsPlayInMobilePreview does not return true when using Mobile Preview
UE - Platform - Mobile - Apr 11, 2019A user has reported that the IsPlayInMobilePreview function does not return true when playing in Mobile Preview. From looking at the function, it seems to be looking specifically for the commandline ...
Ambient Occlusion not Applied in Buffer Visualization Using Forward Shading
UE - Graphics Features - May 13, 2019Ambient Occlusion not applied in Buffer Visualization while Forward shading is enabled. In the "Lit" view mode AO is still applied. This is working as expected in 4.21 CL# 4753647. Found in 4.22 C ...
Niagara Using a VAT has Intense Motion Blur
UE - Niagara - Jun 3, 2019Niagara mesh particle using a VAT has Intense Motion Blur. Found in 4.22 CL# 6574378 and 4.23 CL# 6763247 Unable to test this in 4.21 and 4.20 as the project provided with assets needed was made i ...
Enabling Omni Directional Stereo Capture Breaks Draw Material to Render Target Functionality
UE - Graphics Features - Jun 5, 2019Enabling ODS (omni directional stereo capture) in project breaks Draw Material to Render Target functionality. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6836133 ...
Niagara Remove Pin Feature now deletes the variable completely from the Parameters Pane
UE - Niagara - Mar 12, 2020This is a regression from 4.24.3 (CL-11590370). Removing a pin on a Niagara Module Script parameter will removed the variable as well. This was reported and tested in 4.25 Preview 2 (CL-12055273) ...
Ray Tracing Translucency - Sample settings have no effect
UE - Graphics Features - Lumen - Oct 15, 2020Ray tracing translucency samples per pixel settings have no visible effect. Reported and tested in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.26.0 Preview 2(CL 14419252 ...
Adding an output to the default function of a Blueprint Interface now requires the Interface to be compiled in order to change the output's values
UE - Gameplay - Blueprint - Mar 15, 2022In 4.27 immediately upon adding an output to the default function that output can be edited without needing to be compiled. In Preview 2 once an output is added the Blueprint Interface needs to be c ...
Changes to InputMappingContext made during game play revert to previous state after restarting engine
UE - Gameplay - Input - Nov 21, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. The following Blueprint nodes are affected by the same issue:Map KeyUnmap KeyAdd Playe ...
r.GTSyncType 2 console command causes incorrect frame rate display on Windows platform
UE - Rendering Architecture - RHI - Feb 6, 2023The FRHIFrameFlipTrackingRunnable thread is not initialized on Windows, so RHIGetFrameRate always returns zero. As a workaround, remove the code added by CalculateFPSTimings for Windows platform, a ...