Unreal Engine Issues

Replicated Movement doesn't replicate itself to all clients on Dedicated Server

This is a regression from 4.19.2 (CL-4033788). The pawns aren't replicating their own movement on their clients, but they are replicating on the clients of other pawns. This was reported and teste ...

HUD functionality is lost load after upgrading project to 4.24.1

Upgrading a project to version 4.24.1 results in a loss of functionality that worked from 4.20 to 4.23.1 without having made any changes. Test Project: [Link Removed] Tested: 4.25 CL: 11062379 ...

Output Log In Engine and In Local Log File Are Inconsistent

The Log Timestamp doesn't display in local time when "Log Timestamp Mode" and "Display Timezone" are set to "Local Time". Found in 4.24.2 CL#11100242 Reproduced in 4.23.1 CL#9631420, 4.26 Main CL#1 ...

Opcode shader compilation error when using a TextureSampleParameterCubeArray node with hardware ray tracing enabled

Materials containing a cube array texture sampling node will not compile when hardware ray tracing is enabled. The shader compilation error indicates that an invalid op code was used: "Opcode Sample ...

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. ...