Calling Open Level causes editor to freeze or crash

UE - Gameplay - Jul 14, 2015

If the Open Level node is called on a persistent level Whttp://crashreporter/Crashes/Show/1838504 then the editor will freeze is the call is made through code or crash if done through blueprints. C ...

Default value for BP struct within BP struct not set

UE - Gameplay - Blueprint - Dec 15, 2017

If I set a certain default value for a struct within another struct, it is reset to "None" and the value is not accepted. Below are detailed steps to reproduce as well as a minimal project. Source: ...

Preview Asset Becomes Detached from Socket When Renamed

Tools - Dec 28, 2017

4.17: The preview mesh disappears entirely when the name of the preview asset is changed When a preview asset is applied to a socket, and the socket is renamed, the preview asset becomes detached ...

Repeated GPU Timeout after drawing to render target

UE - Graphics Features - Dec 7, 2022

(Enduring Games) Included Insights trace to show the memory spike in LLM followed by some pretty large time cost frames in the timeline. (Link to insights trace in comments section) ...

Enhanced Input Action Triggers may be silently ignored when using multiple bindings in a context

UE - Gameplay - Input - Dec 15, 2023

The root cause appears to be an order of operations change made for [Link Removed] (CL 18309493 in UE5/Main). On EnhancedPlayerInput.cpp:238, the TriggerStateTracker is combined with state evaluated ...

Volumes visible on screen cannot be selected with box selection if "Box Select Occluded Objects" is enabled

UE - Editor - Workflow Systems - May 22, 2024

When using box selection with "Box Select Occluded Objects" enabled, volumes in the box selection zone are not able to be selected. ...

When changing the Visibility of a RetainerBox wrapped widget to “Not Hit-Testable(Self&AllChildren)”, the widget incorrectly accepts the hit test

UE - Editor - UI Systems - UMG - Jan 28, 2025

The result of changing the Visibility of a widget placed as a child of RetainerBox is not reflected. Here we have disabled hittest for the Button widget, but hittest is incorrectly accepted. This is ...

Windowed game window can restore to the wrong size due to DPI Awareness is configured after setting initial window size

UE - Graphics Features - Jul 31, 2025

If in use, DPI Awareness is set after the initial window size is set. For a Windowed window, the settings are unable to restore the prior resolution settings on an application restart due to the pr ...

Failed to generate Nanite data for mesh with bDoFastBuild enabled

UE - Graphics Features - Nanite - Oct 1, 2025

If "bDoFastBuild" is enabled on a Static Mesh asset, in-editor it will never be able to have Nanite data built for it, preventing the Static Mesh from using Nanite. There is no way to fix this issu ...