Unreal Engine Issues

Copy+Paste with custom widget seems to "break link" with default values

It should be noted that this issue does not occur if you were to create a new "test widget" (by dragging it from the widget list) every time instead of copying and pasting an existing widget. The i ...

StaticMesh - CustomDepth breaks occlusion culling without custom depth enabled

Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent

This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...

Fbx importer: Issue when reimporting staticmesh base LOD and there is some custom LOD

When we reset the material to fbx we should take care of the LOD since we will change/reorder the material slot array. ...

Geometry Collections don't support any collision visualization modes (Collision, CollisionVisibility or CollisionPawn)

Geometry collection objects do not display any collision visualization, either collision color or wireframe overlay when the view mode is set to Player Collision or Collision Visibility or when the ...

Shipping build crash when unplugging then replugging Oculus HMD

Game crashes in shipping build when un-pluging the Oculus HMD, then plugging it back in. Confirmed in 4.13.2 from the launcher, did not repro via same steps in 4.14 preview 3 ...

Composite font uses a sub-font, even when the sub-font doesn't support the character

I have a fix for this shelved in CL# 2937344, so it would be good to get it into 4.12 once the user verifies the fix. ...

Updating project modules causes custom blueprints to lose reference to parent class

When changing the name of a module or creating a new module, updating the _API of a class to the new module will cause blueprints based on this class to lose reference ...

'Particle Position', 'Particle Time' and 'Particle Random' material nodes not supported on mobile

[Interchange] Time zero bind pose do not support multiple bind pose for the same bone

If you import a model containing multiple mesh using the same bones but with different bind pose, the time zero skin result will be wrong. ...