Nativized widgets that include a custom button cause a crash if Event Driven Loading is enabled

UE - Gameplay - Blueprint - Aug 3, 2018

Nativizing a Blueprint that includes a custom button (a Blueprint parented to the "Button" class) causes a crash when Event Driven Loading is enabled. Disabling Event Driven Loading can workaround t ...

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. ...

[Feature Request] Add support for distance field shadows on Single Layer Water shading model

UE - LD & Modeling - Terrain - Water - Aug 5, 2020

Add support for distance field shadows on Single Layer Water shading model (report of it missing in Fortnite here: https://jira.it.epicgames.net/browse/FORT-217878) ...

Custom Primitive Data crash when used from Static Mesh Comp attached to BP Actor

UE - Graphics Features - Mar 22, 2022

When trying to edit custom primitive data on static meshes attached to a BP actor, an out of bounds access will occur. This does not occur when the static mesh is simply on a regular Actor (Same rep ...

Particle Cutout Crashes On Mobile Devices That Don't Support Hardware Instancing (Mali-400 GPU)

Particle cutout seems to crash on lower end mobile devices. We believe this is because there is an issue in the particle's SubUV feature. This happens only on devices that don't support hardware ins ...

Trying to set a variable in one element of an array of custom UObjects will set that variable for all elements in the array.

UE - Gameplay - Blueprint - Dec 29, 2014

If an array of custom UObjects is added to a class, changing the value of a UPROPERTY variable in one element of the array sets the same value in all elements of the array. ...

Trying to create a custom code class derived from ArrowComponent will result in the build failing in Visual Studio.

UE - Foundation - Core - Feb 11, 2015

Deriving a custom code class from UArrowComponent results in several link errors (LNK2001 and LNK2019) in Visual Studio when trying to build the project. ...

Missing reset to default buttons/arrows on "Object Responses" section of component collision profile response details customization

Tools - Jul 22, 2020

The "Reset to default" button/arrow is missing from the channels listed in the "Object Responses" section of the Collision Preset details customization. ...

Struct that is referencing a Custom bp Class will reset to default values on editor restart

UE - Gameplay - Blueprint - Sep 16, 2015

Struct that is referencing a Custom bp Class will reset to default values on editor restart User Description: Making a array of object types in a struct. the goal is to have a struct containing wa ...

Moving a custom cusor (widget blueprint) to another folder after it has been set as the Default mouse can cause a crash

UE - Editor - UI Systems - Mar 2, 2015

Moving a custom cursor after it has been set as the default cursor will break the path being used and if the user tries to reset the path but selecting the widget again the editor will crash without ...