NotBlueprintable User Widgets appear as option for Root Widget

UE - Editor - UI Systems - Jan 5, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Attempting to select NotBlueprintable Widget results in a pop-up saying that it's not ...

PythonScriptPlugin: UE_LOG Format Changed to Unicode after Redirection

UE - Editor - Workflow Systems - Feb 15, 2023

PythonScriptPlugin sets std output mode to _O_BINARY but fails to restore it to the previous state afterwards because cached StdOutMode is already _0_TEXT, hence _setmode returns -1. See PythonScri ...

ULevelEditorDragDropHandler::PreviewDropObjectsAtCoordinates : Should set proper referencer domain when ContentBundle is active

UE - World Creation - Worldbuilding Tools - World Partition - Aug 21, 2023

ULevelEditorDragDropHandler::PreviewDropObjectsAtCoordinates sets the World as the ReferencingAsset when we should probably set the GameDataAsset for the current active ContentBundle if there is any ...

Hardware Accelerated Video Decoding with DirectX 11 causes videos to render black when loaded in a Media Player

UE - Media Framework - Sep 7, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984. Hardware Accelerated Video Decoding requires DirectX 11, but it appears the combination causes media players to only render a black ...

Niagara Position Mode Unset results in World Space rather than Local Space

UE - Niagara - Scripting - Apr 16, 2025

When an emitter's Position Mode is Unset, the particles spawn in World Space 0,0,0. This is unexpected. If the Position Mode is Unset in 5.4, the particles remain in Local Space, which is the inten ...

Comment boxes no longer allow pinning/unpinning of comment bubbles

UE - Gameplay - Blueprint - Jun 24, 2015

Comment bubbles above comment boxes no longer have an option to pin/unpin comment bubbles. This functionality allowed users to choose whether or not to show the comment bubble, which was useful for ...

Cannot key font material for UMG Widget animations

UE - Anim - Sequencer - Sep 14, 2023

[CrashReport] UE4Editor-Core!static void PureCallHandler() [WindowsPlatformMisc.cpp:477]

UE - Foundation - Core - May 8, 2020

Generated from CrashReporter Error Message: Fatal error: [File:D:/Build/++UE4+Licensee/Sync/Engine/Source/Runtime/Core/Private/Windows/WindowsPlatformMisc.cpp] [Line: 475] Pure virtual function bei ...

The Top Down template TopDownController has Block Input enabled by default

Docs - Samples - May 19, 2015

The Top Down template TopDownController has Block Input enabled by default. This is potentially confusing for new users not aware of this difference. Note that due to [Link Removed], testing this r ...