Unreal Engine Issues
Unreal Engine Issues
4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling
UE - Platform - Linux - Aug 26, 2019Unreal 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, 2019Placed 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, 2020UDN 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, 2020In 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, 2020When 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, 2020When 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, 2020This is caused by FLightmassMaterialProxy doesn't have GetStaticParameterSet() function. (FMaterial::GetStaticParameterSet() is called.) It can be fixed by adding the following function to FLightma ...
Editor crashes when calling "Begin Draw Canvas to Render Target" on Event Tick
UE - Graphics Features - Aug 20, 2020The recent hotfix caused this workflow to begin crashing. User reports that it worked as intended in 4.25.2 (CL-13908680). We are unable to reproduce it in 4.24.3 (CL-11590370) either. Crash is ha ...
Kinematic in Physics Asset Overrides Bone Scale of Skeletal Meshes
UE - Simulation - Physics - Oct 7, 2020In a character's Physics Asset, a bone that is set to Kinematic and its children will have a scale of 1 overriding the Skeletal Mesh's Scale Transform settings. When the root of the body is changed ...
UDIM UVs are wrong
UE - Graphics Features - Feb 19, 2020UE4 applies 1-x transform to V coordinate when importing UVs from mesh. This is to handle GL/D3D differences in texture origin, but it breaks UDIM page addressing. It's possible to apply a fix to ...