Unreal Engine Issues
Unreal Engine Issues
widget shows up solid white on iOS
UE - Platform - Mobile - Jul 24, 2017The web browser widget does not appear to load correctly on iOS. It appears as a solid white block. This has been seen on: iPhone X, v11.4 (A11 Bionic) iPhone 6, v11.4 (A8) It did not occur on a ...
Shader used factories/types/pipelines should be in DDC key
UE - Graphics Features - Jan 31, 2018A licensee noticed that the ShouldCache types for FLandscapeMaterialResource changed in the 4.18.2 but this did not affect the DDC keys generated. This caused an endless compilation loop where the s ...
Welded grandchildren do not overlap properly when their grandparent is simulating physics
UE - Simulation - Physics - Jun 7, 2018Grandchildren (C in an attachment hierarchy of A < B < C) that are auto welded have issues related to overlap events when moving via physics. They tend to overlap later than they should. This does n ...
Web browser widget does not receive input when used in a 3D widget component on Android
UE - Platform - Mobile - Jul 9, 2018Web browser widgets to not receive input when used in a widget component on Android devices Update: Oculus Quest devs attempting to implement and interact with the web browser widget via widget i ...
UUserWidget::SetPositionInViewport does not function as intended
UE - Editor - UI Systems - Oct 15, 2018The Set Position in Viewport node does affect UserWidgets position. It keeps it 4.19.2 (CL - 4033788), 4.20.3 (CL - 4369336), 4.21 (CL - 4465720), 4.22 (CL - 44654877) ...
Ray Traced Translucency Option Doesn't Function in Post Process Volume
UE - Graphics Features - Lumen - Aug 16, 2019Ray Traced Translucency Option Doesn't Work in Post Process Volume. Found in 4.23 Preview 6 CL# 7848402, and 4.24 CL# 8074192 Working as expected in 4.22 CL# 7053642 This is a regression. ...
Numpad + Shift does not release keystrokes
UE - Gameplay - Input - Nov 9, 2021The combination of Numpad + Shift seems to have various problems. https://answers.unrealengine.com/questions/899468/what-is-the-issue-with-shift-num-key-combinations.html Regression No, according ...
UE 5.4 - Specular/reflection disappears above 4096 resolution render
UE - Rendering Architecture - Aug 1, 2024After a viewport is more than 4096 pixels wide, Lumen's specular reflections buffer cuts its width off at 4096 pixels. It appears that the affected buffer is "Lumen.Reflections.ResolvedSpecularIndi ...
Inconsistent events triggered by FlushProcessedKeys during keyboard hold input
UE - Gameplay - Input - Dec 20, 2024Key repeats from the OS do not affect the EnhancedInput normally, but it causes inconsistent event triggers when FlushProcessedKeys is called with holding a keyboard key down. Removing references t ...
[CrashReport] libUE4Editor-ApplicationCore.so!X11_SetWindowPosition [SDL_x11window.c:863]
UE - Platform - Linux - Jan 11, 2021Generated from CrashReporter ...