The ActionInstanceData event is incorrect when triggering a "Started" delegate which is on the same tick as a "Triggered" event

UE - Gameplay - Input - Jun 15, 2023

This is happening because the FInputActionInstance has the event as "triggered" when the triggered event and started event occur on the same frame. This is correct, but when the delegate gets fired ...

AddChildActorComponent in Construction Script Causes Pending Kill Error

UE - Gameplay - Blueprint - Feb 16, 2016

When using AddChildActorComponent in the construction script of an actor and attempting to get a reference to the child actor that is stored in a variable on Event Begin Play, the editor throws erro ...

.ini files for packaged games have their settings wiped clean every time the game is run.

The settings .ini files for games packaged for windows appear to be getting overwritten with blank files whenever the game is run. Even if settings are added to the .ini files manually, the files be ...

Increment / Decrement nodes do not call BlueprintSetter functions

UE - Gameplay - Blueprint - Oct 31, 2017

When BlueprintGetter / BlueprintSetter specifiers are used for a property, the increment/decrement nodes in blueprints will call the BluprintGetter function but not the BlueprintSetter function. Th ...

[CrashReport] UE4Editor_LevelEditor!SLevelViewport::SaveConfig() [slevelviewport.cpp:2019]

Tools - Sep 6, 2016

This JIRA is being entered as a result of it being one of the top crashes in 4.13.0. Error message: Access violation - code c0000005 (first/second chance not available) Source Context: 2004 ...

"Select New Skeleton" window appears behind editor and gives error

OLD - Anim - Apr 21, 2015

When you select an asset that references a skeleton that has moved, the editor asks you to choose a new skeleton. When you choose Yes is it gives the message "The Anim Blueprint could not be loaded ...

Child widget of Retainerbox draws with incorrect offset of RenderTranslation

UE - Editor - UI Systems - Feb 5, 2020

The child widget of Retainerbox was applied incorrectly offset the RenderTranslation of the parent widget and draws it. This issue is 4.24 only. it's fine as well as the preview on UMG Designer in 4 ...

[CrashReport] Assertion failed: Canary == ShaderMagic_Initialized

UE - Graphics Features - Jun 13, 2017

This is a common crash among the community since at least the 4.14 release. Additional information is not currently available. This is spread among numerous different CrashGroups between releases w ...

Blueprint Struct Issues - Data table wiped data

UE - Gameplay - Blueprint Compiler - Aug 19, 2024

The user has come across various issues with using nested blueprint structs within a data table. The first issue relates to changing a variable in a child struct and setting it back then saving, cau ...

Need addElement and addElements to allow single insertion instead of to all elements with matching tag

UE - Platform - Mobile - Aug 1, 2017

Since multiple dict tags can be in a plist, not just the top level, need to be able to specify to only insert once. Adding an optional once="true" attribute to these commands in UPL will allow this ...