UUserWidget::SetPositionInViewport does not function as intended

UE - Editor - UI Systems - Oct 15, 2018

The 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, 2019

Ray 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, 2021

The 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 ...

Stop using power of 2 RTs for landscape edit layers

UE - Graphics Tools - Terrain - Landscape - Apr 4, 2023

Result : all the RTs allocated for edit layers (in global merge mode) will be padded to the next power of 2 for no good reason, which can lead to out-of-VRAM (as reported by [Link Removed]) ...

UE 5.4 - Specular/reflection disappears above 4096 resolution render

UE - Rendering Architecture - Aug 1, 2024

After 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, 2024

Key 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, 2021

Generated from CrashReporter ...

Set Boolean (by ref) crashes the editor on compile

UE - Gameplay - Blueprint - Mar 15, 2016

Update 4/6/2016 This appears to occur with other Set by ref nodes as well. Tested and received crash with Integer as well. ======================================================================== ...

Cannot Undo Blueprint Nodes Placed Using Shortcuts

UE - Gameplay - Blueprint - Mar 8, 2016

Nodes that are placed using shortcuts (ex. B+LMB for a branch node) cannot be undone using CTRL+Z. Found in 4.10.4 binary. Reproduced in 4.11 Preview 6 binary and Main CL 2894512. ...

Adding a camera cut track through sequencer scripting does not set the movie scene's camera cut track

UE - Anim - Sequencer - Mar 13, 2020

When adding a camera cut track through sequencer scripting there is no way to set the camera cut track on the movie scene, which is how the add track menu determines if a new one can be added. This ...