Unreal Engine Issues

OSVR is affected by screen percentage Post Process volumes

Found on: //UE4/Dev-VR CL-2967563 Screen percentage post process volumes affect rendering on the OSVR. It also renders incorrectly when affected. The incorrect effect has been logged as [Link Remo ...

Specular Scale 0 on Light still affects Groom asset

When a light's Specular Scale is set to 0, the specular still affects hair / groom assets. The specular of other assets (like a shiny static mesh in the scene) is properly affected by the change.  ...

Note visibility issues in 2025.1.1

[Interchange][gltf] Imported animation are all 1 frame long.

All the imported animation only contain one frame. If the file contains in archive are imported in a gltf web viewer we can see animation are playing.  [Link Removed] [Link Removed] https://foru ...

Wire thickness settings appear to affect the wrong wires

When changing wire thickness in the editor preferences the setting appear to affect the wrong types of wires. ...

Setting PHYSX_MEMORY_STATS to 1 prevents the Engine from being built successfully.

If #define PHYSX_MEMORY_STATS 0 is set to 1, the Engine will not build successfully. The build fails with the message: error C2338: FPhysXAllocationHeader size must be less than 16 bytes. ...

TimeSynth Counts Beats: 1,2,3,0

TimeSynth Counts Beats: 1,2,3,0 Link to project files: https://forums.unrealengine.com/unreal-engine/announcements-and-releases/asset-sharing/1724414 ...

Memory leak when Lumen is disabled but r.MeshCardRepresentation=1

When Lumen is disabled, but the cvar "r.MeshCardRepresentation" is set to 1, Lumen will continuously enqueue object removal from the Lumen Scene, without ever emptying the array of primitives to rem ...

Imported Maya animation seems to be 1-frame off in Unreal

A licensee reported this issue on UDN. They are seeing a discrepancy with animations imported from Maya. In this case, they appear to be off by 1-frame. We've talked about this on Slack and I know ...

Initial Seed value on Random Stream node has no affect

When using a Random Stream variable to populate a Random Integer in Range from Stream, the Initial Seed value has no affect on the random integer selected. Workaround: Using a Seed Random Stream or ...