Structs cause packaging to fail when Blueprint Nativization Method is set to "Inclusive"

UE - Gameplay - Blueprint - Apr 26, 2017

Structs cause packaging to fail when Blueprint Nativization Method is set to "Inclusive" Note: Appears to be a regression (worked in 4.15.1) Error example: UATHelper: Packaging (Windows (64-bit)) ...

Project does not cook with actors containing ModularSynth component

UE - Audio - Sep 11, 2017

A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...

CLONE - Project does not cook with actors containing ModularSynth component

UE - Audio - Sep 13, 2017

A project does not cook with actors containing ModularSynth component. The error is a follows UATHelper: Packaging (Windows (64-bit)): Cook: LogWindows: Error: begin: stack for UAT UATHelper: Pack ...

Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor

UE - Gameplay - Blueprint - Sep 3, 2015

Compiling a Blueprint that references a deleted Macro from a Custom Macro Library will crash the editor. Crash Report: [Link Removed] This is a regression: did NOT occur in 4.8.3. Reproduced in 4. ...

Editor crash when opening Project Settings on Linux

UE - Platform - Linux - Mar 29, 2017

When the Project Settings is opened on Linux, a call is made to run an iOS-related C# program (execute iPhonePackager certificates). This call causes the editor to crash. Unable to find mention of ...

Keyboard Shortcuts for Blueprint Editor Do Not Appear until Opening Blueprint

Tools - Feb 11, 2015

In any newly opened project the 'Keyboard Shortcuts' within the 'Editor Preferences' for the 'Blueprint Editor' do not appear until you have opened a blueprint within the project. After closing and ...

Unable to change Actor Coloration View Modes in PIE

UE - World Creation - Worldbuilding Tools - Jul 20, 2025

When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...

Crash when calling an event with an enum reference parameter with literal

UE - Platform - Linux - May 1, 2018

The issue appears to be the type of the input pin on the custom event(or function - both behave the same), under normal circumstances it should allow you to pick the enum from a list on the calling ...

Regression: Cannot import Landscape Layer Weightmap along with Heightmap because of broken resolution check for tiled images.

UE - Graphics Tools - Terrain - Jan 30, 2025

When working in the "Landscape" editor mode, in both the "New" and "Import" tools, it is possible to import a single heightmap, as well as a weightmap for each layer. Each of these maps can come fro ...

A plugin CanBeUsedWithUnrealHeaderTool=true with "Program" type will not be compiled

UE - Foundation - Cpp Tools - Sep 19, 2018

It is ok for 4.19. ...