Unreal Engine Issues

Extending Montage Segment length causes length to reset to default in new Editor Session

Licensee is encountering an issue where they would like a segment of a montage to end and hold the last frame for the remainder of the segment length. He is doing this by adjusting the End Time und ...

Cvars Not Applied To iPad Pro Correctly

When creating a device profile that sets specific cvars for the ipad pro. They don't seem to be loaded or used in a launched game or in a packaged game. While testing in 4.10 if I changed the IOS d ...

CircleDOF Creates Artifacts When Close to a Translucent Surface With an Object Behind It

With CircleDOF enabled artifacts will occur when getting close to a translucent plane with an object behind it. This does not occur with any other DOF method or if "Render After DOF" is disabled in ...

Skeletal Meshes keep reference to unused Material IDs

When importing a FBX with multiple materials and some of them are unused from their setup, they will still be referenced by the skeletal mesh in the Details Panel in the level editor, but in the Per ...

4.16.1 Android Development builds crash on start with "unfortunately [App] has stopped"

Create staticmeshnode or instancedstatic mesh node logs FNetGUIDCache warning in editor

The behavior in question involves a warning that FNetGuidCache gives when an Actor's construction graph adds a static mesh component, and a multiplayer session with 2 players is simulated in PIE.(Pl ...

Niagara System User Parameters Resetting After Closing the Editor

Niagara System user paramemters will reset upon restarting if they are used in a Blueprint. This also occurs to the system if you move the blueprint after making changes then pressing Ctrl+Z.  Foun ...

Scene Capture 2D Generates Artifacts with Orthographic Projection of Nanite Mesh on Plane

Occurs 5/5 times: The Scene Capture 2D camera displays artifacts when the projection is set to Orthographic and a nanite mesh is projected on the Scene Capture 2D plane. ...

Editor crashes when keying a frame to an Animation from Pose with Appended Frames

This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...

Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters

The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...