Unreal Engine Issues

Crash occurs when diffing blueprint that has had one of its variables changed to a Soft Object Reference

A crash occurs when diffing a blueprint that contains an array that has changed from an Object Reference to a Soft Object Reference. Note: I figured that this could be related to another bug that I ...

Editor crash when opening Project Settings on Linux

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 ...

Android build fails with GPU Lightmass plugin enabled

Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color

Assertion thrown when connecting a World Position node to the time input of a Panner node then connecting it to Base Color. This is a regression. ...

Editor crash when searching in Add Object menu after creating a Niagara System asset in the Motion Design editor mode

Crash when using StaticDuplicateObject with mismathced Source and Destination class types

Starting in Unreal Engine 5.4, StaticDuplicateObject internally switched to using Unversioned Property Serialization (UPS) for performance reasons. However, UPS assumes the source and destination ob ...

Crash when opening a data table based on a struct named actor

If the user creates a structure, names it "Actor", then creates a data table based on the struct then the data table will cause a crash on open(opening the data table). ...

Editor crashes if a data table containing an attenuation settings struct

Editor crashes if a data table containing an attenuation struct is opened in the data table editor. Frequency: 4/4 Crashreporter: [Link Removed] Regression? (No), issue (does) occur on 4.10.4 ...

Crash upon diffing Blueprint that was reparented when its previous parent has already been deleted

When attempting to diff a Blueprint that has been reparented when the previous parent no longer exists in the editor, a crash occurs. The crash is due to the editor attempting to reference the delet ...

Sequencer Crash when Hovering over Binding Properties on a Component with Spaces in its Name

Crash when binding to new components that have spaces in their name and you attempt to access their bindings. ...