Unreal Engine Issues

Poor performance when Player Collision view mode active in City Sample

The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project. The curre ...

Possible crash reimporting destructible assets

This won't always happen, but the call in ImportDestructibleMeshFromApexDestructibleAsset to LODModel.ReleaseResources(); will enqueue render commands to release the resource, but the call after tha ...

Unable to import animation data from fbx with bone names starting with a number

When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...

The default Direct Link texture path is no longer set in Twinotion settings

Default path for DL is not correctly set and should be set to the following: C:\Users%USERNAME%\Documents\Twinmotion2024.1\DirectLinkTextures See attached screen-shot ...

Blueprints with inherited Macros cannot save

Blueprints with inherited Macros cannot save. Reproduced in 4.7.1 binary and Main (//depot/UE4/Promotable-CL-2455917) ...

Importing an Alembic File While mesh Distance Fields are Enabled Crashes Editor

When importing alembic files into a project that has "Generate mesh distance fields" enabled the editor will crash. ...

Engine crash when Scene Capture Component 2D is added to viewport with forward rendering

If forward shading is enabled and shadows are disabled, adding an actor with a SceneCaptureComponent2D and static mesh to the viewport will cause the editor to crash. Regression: Yes - this crash o ...

Long load time for files with large numbers of trees in 2025.2

Reported in SF [Link Removed] User reports that multiple files with large amounts of trees take substantially longer to load in TM 2025.2 compared to 2025.1.1. Confirmed with one of the user's fil ...

Particle memory can be corrupted leading to a crash

OnClick Events for buttons in 3D Widgets not firing in Multiplayer

OnClick Events for buttons in 3D Widgets not firing in Multiplayer. This issue only affects the button component as other Widget components that used the Left mouse button function as expected Regr ...