Unreal Engine Issues

Runtime memory leak with imported FBXs

When a certain kind of mesh is loaded/unloaded at runtime from transitioning levels, the amount of unfreed memory of the game will steadily increase. There is some natural fluctuation of memory but ...

Default value for BP struct within BP struct not set

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: ...

Repeated GPU Timeout after drawing to render target

(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) ...

Texture share plugin for UE5.1 could not work as expected.

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

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

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

Collision Boxes not set properly when using negative values

When using multiple collision boxes with the mesh scaled in a negative axis while the collision boxes are rotated that the rotation is not taken into account when using the negative scale. ...

Hot Reload changes actor focus from a component to its root

When a hot reload occurs in the editor, if the component of a placed actor is selected then focus will switch from the component to the actor's root. This can be confusing when the root is a code c ...

Deleting class instance will call destructor for each instance of the class

**UPDATE** When the actor is pulled from content browser to scene, a "ghost" object is created even if the actor is still being "held". Dragging the actor back and forth into the editor viewport wi ...

Blueprint navmesh modifier does not update navmesh in level

CrashReporter: [Link Removed] The Navmesh Modifier Component in blueprints does not properly update a levels navmesh. ...