Unreal Engine Issues
Unreal Engine Issues
Planar Reflections Cause Big Performance Hit In Packaged VR Projects
UE - Platform - XR - Jan 22, 2020Planar reflections notably lower performance in packaged VR project. Linked is an example project and an example package. [Link Removed]. This was tested on a Vive Pro and Oculus Rift(not Rift S). ...
Crash hovering mouse over User Defined Struct array variable on Widget Blueprint breakpoint
UE - Gameplay - Blueprint - Jan 22, 2020Looks a crash caused by an access violation when trying to export text from the property for the tooltip. Seems to be limited to arrays of user defined structs and the Widget Blueprint editor. ...
HUD functionality is lost load after upgrading project to 4.24.1
Tools - Jan 22, 2020Upgrading a project to version 4.24.1 results in a loss of functionality that worked from 4.20 to 4.23.1 without having made any changes. Test Project: [Link Removed] Tested: 4.25 CL: 11062379 ...
Material and Animation do not stop even if Game pauses when Material domain is User Interface
UE - Editor - UI Systems - Jan 22, 2020For Animation and Tick, we have confirmed that pausing can be done by stopping Native Tick. But we can't stop with Material. Widget Component can change the handling of time with EWidgetTimingPolicy ...
The Radial Blur Shader Doesn't Look Correct With Raytracing Translucency Enabled
UE - Graphics Features - Lumen - Jan 21, 2020The Radial Blur shader doesn't look correct with ray tracing translucency enabled. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11050671 ...
Materials using the Tessellation mode 'PN Triangles' cause objects to incorrectly render in Wireframe view mode when selected
UE - Rendering Architecture - RHI - Jan 21, 2020Creating a material that has it's tessellation mode set to "PN Triangles" and assigning it to an object results in the objects geometry to not properly display in Wireframe view mode. Tested i ...
Alembic Hair Groom Asset + DoF = artifacts around edges
UE - Graphics Features - Jan 21, 2020Hair assets show artifacting between strands when used with DoF. Confirmed in MAIN 4.25 @ CL 110623791 ...
Mac - Media Player - Web Cam not accessible
Media Framework - Jan 20, 2020Audio/Video Devices are no longer accessible via Media Player on Mac. User info: "We think it is connected to camera and microphone privacy. We have got a crash trying to access to camera from cust ...
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. ...
SSGI doesn't function properly using Vulkan
UE - Rendering Architecture - RHI - Jan 20, 2020Screen Space Global Illumination appears really dark when using the Vulkan RHI on Windows and Linux. This behavior is also present in a Shipping build. This was reported and tested on 4.24.1 (CL-1 ...