SteamSockets not setup to handle Client/Session ID handshakes

UE - Online - Jan 13, 2023

Repro Rate: 3/3 This is a live issue where the customer claims that the SteamSockets implementaton is not setup to handle the new Client and Session Id setup that was introduced in 5.1. This issue ...

RuleProcessor is not listed in the Window menu in 5.4

UE - Editor - Workflow Systems - Jun 11, 2024

Since CL-28416011, Sections in Window menu are broken and the RuleProcessor can not be registered in the menu. (See attached imanges) Following workaround restores the sections and fixes the issue. ...

No alpha to coverage for ES3.1 and mobile Vulkan

UE - Platform - XR - Jan 29, 2020

MSAA is not applied to masked textures/materials. Testing blocked in MAIN 4.25 @ CL 11144351 by [Link Removed] ...

Skip Assigning Gamepad to Player 1 does not work

UE - Gameplay - Input - Feb 2, 2024

This is a regression from a long while ago that needs to get fixed ...

Expanding and altering a macro affects other macros in use.

UE - Gameplay - Blueprint - Nov 6, 2017

Using the Expand node feature on a macro from a macro library alters the current functionality of other instances of the macros that are in use(even though the macros themselves have not changed). ...

Anim Graph will hang if the Draw Debug Sphere and Set node are connected and compiled

UE - Anim - Runtime - Anim Blueprints - Jun 8, 2023

anim blueprint hangs when compiled. Probably a cyclic issue when compiling. A workaround is to add a delay of any time between the set node and the Draw Debug Sphere node. Repros in the following v ...

Regression: Crash when saving the level blueprint of a world-partition map containing any node with an unconnected input pin of type "Gameplay Attribute Structure"

UE - Gameplay - Gameplay Ability System - Feb 19, 2025

In UE 5.5, when the user attempts to save the level blueprint of a world-partition map, the Editor crashes if the BP contains any node with an input pin of type "Gameplay Attribute Structure", as lo ...

Crash when exporting static mesh actor to FBX (Array index out of bounds)

UE - Editor - Content Pipeline - FBX - Apr 25, 2025

I set the Forced LOD Model on the mesh component > 1, then tried to export, this is what causes the crash. Here is my suggested fix, we just don't use Git or I'd do a PR: In the else() branch of FF ...

UnrealFrontend does not store the last project used.

UE - Platform - Console - UnrealFrontend - Jun 12, 2024

In pasts unreal engine versions like 5.2 or 5.3, when you loaded a project with UnrealFrontend, the uproject was saved inside the Engine.ini file. In version 5.4 it does not get saved and you need t ...

Crash with Ensure when resizing layout

UE - Editor - Workflow Systems - Jun 1, 2023

This is a regression as the issue does not occur in //UE5/Release-5.1.1 - CL 23901901 ...