Unreal Engine Issues
Unreal Engine Issues
SButton and SBorder multiply color and opacity twice
UE - Editor - UI Systems - Sep 22, 2016Currently, the SButton and SBorder widgets multiply the color and opacity during OnPaint before calling the super (SCompoundWidget::OnPaint). This causes the operation to be done twice, since the co ...
Physics Constraint angular visualization are missing in 4.11
UE - Simulation - Physics - Apr 14, 2016Physics Constraint angular visualization are missing in 4.11 This is a regression User Description: Since 4.11 angular constraints of the physics constant are not shown in the viewport. In 4.10 ...
Freezing when changing levels in VR preview
UE - Platform - XR - Apr 2, 2018When changing levels in VR preview it appears to freeze for 30 seconds. This does not happen the first time VR preview is used during the editor session. However, after using VR preview once and cha ...
Unable to uncap framerate in Vulkan
UE - Rendering - Architecture - RHI - Feb 28, 2019On Linux machines users are unable to uncap their framerate in the editor. This issue has been observed in multiple maps, including TM-URO and TM-AnimPhys, as well as Third Person Blueprint projects ...
Using Depth of Field when "r.PostProcessing.PropagateAlpha" is enabled causes halo effect on higher scalability modes and resolution
UE - Rendering - Features - Dec 16, 2024There is a haloing effect when depth of field is used while post processing also has propagate alpha enabled at higher scalability levels. The effect becomes more obvious as the resolution of the vi ...
Promote to Variable no longer an option in Blueprint Function Library
UE - Gameplay - Blueprint - Nov 10, 2014In earlier versions of the Engine (reported from 4.2), in a Blueprint Function Library, from the New Function Node you could right click on "new parameter" to promote to variable. Also you could dra ...
Transform track can't be edited for Spawnable empty actor in Sequencer
UE - Anim - Sequencer - Oct 2, 2017Transform track for a spawnable Empty Actor always shows 0, 0, 0 and it can't be edited. I could repro this in 4.17.2 and 4.18 Preview 2. This does not happen in 4.15.3 and 4.16.3. So this could b ...
UnrealVS: Compile Single File no longer working after upgrading to 5.3
UE - Core - Cpp Tools - Oct 2, 2023After installing the UnrealVS version that arrived with 5.3. I can no longer use CompileSingleFile. It does however work on the Lyra project. One difference I notived, however, is that Lyra seems to ...
Unable to kill UnrealBuildTool, UBT no longer propegates sigterm
UE - Core - Cpp Tools - UnrealBuildTool - Aug 24, 2026When UBT is launched through one of the standard wrapper scripts, Ctrl-C no longer cancels the build. The `dotnet UnrealBuildTool.dll` process and its compile actions keep running to completion in t ...
Vector2D struct does not save default values in macro inputs
UE - Gameplay - Blueprint - Sep 1, 2016Vector2D struct does not save default values as a macro input Regression (no) issue (does) occur in 4.11.2 ...