Unreal Engine Issues
Unreal Engine Issues
Data Asset Deserialization crash after upgrading 4.19.2 to 421.1
UE - Foundation - Core - Feb 7, 2019The User has provided an extensive log of their code base setup, and the process leading up to when the Assert occurs. "Our game mode & player state FSM are setup in a data driven manor using UDa ...
Plugins are not creating shipping versions on package on Mac 4.23 Preview
UE - Foundation - Cpp Tools - Jul 15, 2019When you try to package a plugin on Mac in 4.23.0 Preview 1 there is no Shipping folder generated. This was verified to not happen in 4.22.3 (via Epic Launcher). Found in 4.23.0 Preview 1 CL# 72363 ...
Child Blueprint construction script runs before parent C++ OnConstruction
UE - Gameplay - Jun 25, 2019When the order of construction is backwards it makes it impossible to have native objects set up components in OnConstruction, that a child BP Construction Script then has access to. Sometimes the C ...
A plugin CanBeUsedWithUnrealHeaderTool=true with "Program" type will not be compiled
UE - Foundation - Cpp Tools - Sep 19, 2018It is ok for 4.19. ...
Crash occurs while replacing a Widget Component with a user created Text Block
UE - Editor - UI Systems - UMG - Aug 18, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896. The crash occurred. Crash occurs while replacing a Widget Component with a user created Text Block blueprint. ...
Text block Outline cropped out at large sizes
UE - Editor - UI Systems - Mar 8, 2017Text block Outline cropped out at large sizes. This affects Grid Panels and was additionally tested with Horizontal boxes with the same result Regression: This issue does not occur in 4.14.3 Binary ...
Ensure triggered in FBoundsCacheElement::GetValue when adding ISM instances in Construction Script
UE - AI - Oct 8, 2025An ensure is triggered in FBoundsCacheElement::GetValue when adding instances to an InstancedStaticMeshComponent inside a Blueprint’s Construction Script. This occurs when the ISM component is navig ...
Native gameplay tags in plugins are cleared when reading config files
UE - Gameplay - Aug 14, 2024When references to Gameplay Tags are loaded, it checks to see if they are already registered. If they are not already registered, it will notice it is invalid and may print a warning depending on th ...
Package build fails after disabling VR plugins
UE - Platform - XR - Mar 27, 2017Package build fails after disabling VR plugins and launching the project The error message that pops up is: Fatal error: [Link Removed] [Line: 353] Missing global shader FPixelShaderDeclaration, P ...
The fill option for the horizontal alignment becomes inconsistent when changing scale of a user created widget that contains a text block wrapped in a size box
UE - Editor - UI Systems - Jun 23, 2015The smaller the scale box is the more to the right a text block from the user created widget will get. In this example the User created a text block that was inside of a size box. They they added th ...