Unreal Engine Issues

Custom Events with Default parameter names causes an internal compile error

Custom Events with Default parameter names causes an internal compile error User Description: I'm not sure if it's a bug,but I post it in bug reports in case it is.Here is the problem: create a c ...

Variables named PlayerCamera are replaced with PlayerCameraManager in PlayerController BPs

Variables named PlayerCamera are being automatically replaced with references to PlayerCameraManager in Player Controller Blueprints. Occurs when you copy+paste a reference (both get and set) to Pl ...

Pose flickering when changing lods and using Layered Blend per Bone

Reflection Captures when used with levels do not pass color of the reflection

When using a box or sphere reflection capture with a map that has level setup can result in the reflection capture losing any color values. The reflection will still show but now be block where when ...

Overriding functions from a parent class then creating a child class creates two copies of the function in the child class.

When a child blueprint is created from a child of another blueprint that has overridden a function of the original parent blueprint, the child of the child will have two copies of the function. ...

Editor crashes when child blueprint uses billboard in construction script

The editor is crashing when a child blueprint uses a billboard in the construction script after hovering over 'apply instance changes to blueprint' from the details panel. ...

Skylight Indirect lighting Intensity has no effect

The Skylight actor has minimal effect on indirect lighting compared with 4.10.1 and the Indirect Lighting Intensity slider has no effect at all. Image attached for comparison bwtween 4.10.1 and 4. ...

HISM(Hierarchical instance static mesh) has lightmap problem after building lighting

HISM has lightmap issues after build lighting ...

Simulated ability tasks not being cleaned up in UActorChannel::ReplicationMap

I've noticed the issue occurring in both 4.20.3 (CL 4369336) and 4.21.0 (CL 4541578). The user on AnswerHub has also noticed the issue in 4.20.2 (CL unknown) and claims the issue did not occur in 4. ...

Broken Composite Decorator

Reported by Square Enix on UDN, ...