Iris - Missed subobject destruction can cause incomplete client state

UE - Networking - Iris - Oct 7, 2024

From UDN assigned to [Link Removed]  ...

When a TSoftObjectPtr pointing to a const type is used as a parameter for a Dyanmic delegate, unreal marks it as deprecaded.

UE - Foundation - Cpp Tools - UnrealHeaderTool - Jan 21, 2025

A change has been done to the TSoftObjectPtr class that warns when constructing a pointer-to non-const from a pointer-to-const. This change makes sense and is correct. Example: UTexture2D* Loade ...

Mirror operation on Physics Asset produces wrong results for constraints, including flipped axes

UE - Simulation - Physics - Feb 7, 2025

The Physics Asset Editor has a "mirror" feature that allows physics bodies and constraints to be mirrored from one side of a skeleton to the other. If this operation worked correctly, it could save ...

Sphere Reflection Captures overridden by Skylight

UE - Graphics Features - Jun 10, 2025

When using non-Lumen lighting and Screenspace reflections off, the skylight location overrides the Reflection Capture location during Build Reflections. This results in a Reflection Capture taken fr ...

Instanced meshes do not accurately use volume light samples when lit in a statically lit scene

UE - Graphics Features - Aug 14, 2015

When using instanced meshes in a Blueprint or in foliage tool the indirect lighting cache will not correctly light these meshes. I've include a sample project with map to demonstrate what the lice ...

Timeline name changes do not propagate to related nodes

UE - Gameplay - Blueprint - Mar 17, 2015

Timeline name changes do not propagate to related nodes. Refresh All does not rename nodes that reference the timeline, and Getters and Setters are no longer valid nodes. Reproduced in 4.7.2 binary ...

While renaming a variable in the Details panel, clicking another variable will rename it instead

UE - Gameplay - Blueprint - Feb 11, 2015

While renaming a variable in the Details panel, clicking another variable will rename it instead. ...

Enabling World Composition Skips Intro Movies

Tools - Jun 24, 2016

Startup movies are skipped when World Composition is enabled. Even with the 'Wait for Movies to Complete' option enabled, the startup movie plays for a very short time, and then the level is loaded ...

Crash Occurs When Clicking Off of Color Picker in Data Table

Tools - Jun 29, 2016

When using an FLinearColor variable in a data table and editing it using the color picker, clicking anywhere off of the color picker window will cause the editor to crash. Error Message: Assertio ...

The "Is Pressed" node does not return true while using the virtual joysticks

UE - Editor - UI Systems - Apr 15, 2015

If the user is pressing a button and then uses one of the virtual joysticks the "Is Pressed" node will return false even if the user is still holding down the button. ...