Custom Widget does not change cursor settings

UE - Editor - UI Systems - Nov 20, 2017

When you are using a Custom Widget, changing the cursor setting does not change cursor during PIE or packaged games. only changing the cursor options in the original widget fixes the issue. This iss ...

Sharing Material shaders wastes memory and disappears from the memreport

UE - Graphics Features - Jul 18, 2019

Enabling bShareMaterialShaderCode breaks memory tracking and wastes memory due to issues in ShaderCodeLibrary. It is also worth noting that after cooking with bShareMaterialShaderCode enabled causes ...

Mobile Multi-View 4.23 preview regression

UE - Platform - XR - Jul 18, 2019

Black-screen when mobile-multi view is enabled in 4.23 preview.  Also confirmed on Oculus Go. +Occuring in 4.24 MAIN @ CL 7436536 Sidenote: In all tested engine versions - when enabling/disabin ...

4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling

UE - Platform - Linux - Aug 26, 2019

Unreal doesn't change appearance when changing system configuration display scaling options. Editor Texts are still quite small and don't change based on the Display Scaling %. This bug also causes ...

Blueprints derived from "Editor Utility Actor" are not able to tick in editor when placed in the world

Tools - Sep 11, 2019

Placed Editor Utility Base was recently deprecated and users who require the functionality of ticking in the editor are unable to use "Editor Utility Actor" or "Editor Utility Widget." A couple of u ...

Add material API to python

UE - LD & Modeling - Modeling Tools - Mesh Editing - Jan 20, 2020

UDN ask to control mesh materials in python script. The API is public but not expose. I suggest to add functionalities to the editor scripting utilities plugin for both static and skeletal meshes. ...

Navmesh drawing is not visible during Simulate or PIE unless Supported Agents includes the first agent

UE - AI - Navigation - Jan 29, 2020

In Simulate or PIE it is not possible to see any Navmesh Volumes past the 1st in a multi-navmesh setup. Any Nav Volumes after the 1st need to have the 1st one enabled for them to be drawn in the Lev ...

Replay playback can become paused indefinitely after scrubbing with high time dilation

UE - Networking - Feb 19, 2020

When playing a replay with DemoPlayTImeDilation set to 5, and jumping around the timeline using GotoTimeInSeconds(), the play back can break, with game actors freezing and violently shaking. It seem ...

Handheld AR On IPad Has Dark Contrast Issues And Constant Screen Tearing When Mobile HDR Is Disabled

UE - Platform - XR - Mar 4, 2020

When MobileHDR is disabled in a packaged AR project for iOS there is a big constrast with the brightness in the image and constant screen tearing. This is happening specifically with images captured ...

Lightmass ignores StaticSwitch in materialinstance

UE - Graphics Features - Aug 12, 2020

This is caused by FLightmassMaterialProxy doesn't have GetStaticParameterSet() function. (FMaterial::GetStaticParameterSet() is called.) It can be fixed by adding the following function to FLightma ...