Unreal Engine Issues

Renaming components in blueprints resets default values for all instances

Renaming a blueprint component and presing ocmpile will reset any altered instances of the blueprint to default values. ...

Level Merging creates a new empty level and deletes only one of the two levels merged

After merging two levels in the Levels window, only one of the two levels will be deleted and a new level will be created. Any actors in the deleted level will be deleted as well. The new level will ...

Stationary Directional Lights not Rendering Dynamic Shadows on Mobile

As the title suggests, dynamic shadows on mobile when using a stationary directional light are not appearing at all when deployed to the device or when viewed in the mobile previewer. The odd part ...

Can only render Matinee movies with Separate Process

Can only render Matinee movies with Separate Process. ...

The Merge Actors Tool doesn't account for rotated collision shapes when doing non-uniform scaling

Collision shapes for merged actors using the Merge Actor tool do not account for the rotation of the actor when combining the data. It looks like the X and Y collision shape rotation in the world ...

Reroute nodes break Cached Poses in AnimBPs

Reroute nodes break Cached Poses in Animation Blueprints Regression: This does not occur in 4.12 ...

BSPs cannot be selected through other BSPs set to hidden

BSP brushes cannot be selected through other BSP brushes that are set to hidden through the world outliner. Other assets such as static meshes are unaffected by this or do not cause the same error t ...

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 ...

Pose flickering when changing lods and using Layered Blend per Bone

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. ...