Unreal Engine Issues

Walking into some destructibles crashes the editor

Submitted by a licensee on UDN. I verified it and have attached the test level that he provided. In the test map. some boxes fall and break. Walking straight into the boxes causes the editor to cra ...

Crash when updating phsyics simulated box extent during runtime

If a Box Collision component is set to simulate physics, calling "Set Box Extent" causes the editor to crash. Workaround: Setting Collision Enabled for the box component to "Physics Only" or "Query ...

FFrame::ReadProperty() occur crash if Blendspace Player node use Function to get BlendSpace Asset

If user connect a function that returns a Blendspace Asset to a Blendspace Player that BlendSpaceAsset settings are exposed to a pin, it crashes in the package. It does not occur if user do not con ...

iPadOS AR App Crashes when ARKit's "Use Scene Depth for Occlusion" is Enabled

Does not crash in 5.4 on same hardware so looks like a regression. Attached Unreal logs indicate source of critical error: 'FARKitCameraOverlayMobilePS' shader uniform expression set mismatched sh ...

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 ...

Switch on custom enum causes compilation errors after Hot Reload

If the project is hot reloaded while a Switch on Enum is inside of a blueprint which is switching on a custom enum, the switch will become corrupted. It changes the 'selection' pin to take a Byte pa ...

Inserting before a FSlateImageRun twice will cause crash

WP HLOD Crash on Small Cell Sizes

Adding a Blueprinted custom StaticMeshComponent to a Blueprint results in an Ensure being triggered.

If a Blueprint is made from a custom Blueprintable StaticMeshComponent, and that Blueprint is added as a component to another Blueprint, an Ensure is triggered. No Ensure occurs if the custom nativ ...

Crash when opening a blueprint that referenced a struct blueprint that no longer exists

If a user creates a struct blueprint then references it in another blueprint and then deletes the struct while the editor is closed, the referencing blueprint will crash when opened. ...