Unreal Engine Issues
Unreal Engine Issues
UMG/Slate scroll bars have a minimum size for scaling
UE - Editor - UI Systems - Mar 14, 2017A user has reported an issue about scroll bars having a minimum size in UMG and Slate code, causing them to not scale correctly when the scroll box is at a smaller size. This affects both horizontal ...
[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer
UE - Graphics Features - Aug 22, 2017This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...
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) ...
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 ...
Media Player assets do not play in packaged games or in standalone
Tools - Mar 8, 2016Media Players and their associated textures do not render in standalone game or in a packaged project. Found on: //UE4/Release-4.11 CL-2897738 Checked 4.9.2 Binary from launcher, issue occurs ther ...
Exiting VR Edit mode from simulating causes viewport mismatch
UE - Editor - Workflow Systems - Mar 5, 20169/19 VREditor sync notes: Should grey out the editor button while you're simulating ----------------------------------------- I noticed you can fix this issue by reseting the viewport by pressing t ...