Unreal Engine Issues

UV Offset Effect Material in RetainerBox Causes Visual Artifacts in Editor Preview

When a UV Offset is applied in a RetainerBox effect material, visual artifacts appear only in the editor — not at runtime — if a widget with a dotted preview outline (like CanvasPanel) is placed dir ...

Static Meshes in sublevels disappear from world content browser if they are culled out of a cull distance volume during PIE

Cull Distance Volumes cause objects within them to disappear from the World Composition window if they are culled out at runtime. Regression (no) issue (does) occur in 4.12.5 ...

Setting a variable to private after making changes in a child blueprint will retain changes by prevent further access

When declaring a variable to be private, any instances of that variable being changed in child blueprints (before hand) will remain as they were before the variable was declared as private. However, ...

Timeline functions do not work inside of Blueprint functions

I could not repro their issue in main. They supposedly recently upgraded to 4.5. I was wondering if you could divide an conquer, and figure out when we fixed this. **EDIT** Was able to repro in mai ...

Reimporting Static Mesh LODs yields unexpected material assignments

Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...

Decal Fading parameters are completely broken

Lighting on Paper 2D Tile Maps is Broken

In 4.18.3 this feature is working. In 4.19.2 the feature is broken. Per User: Half of the Lights Cone or Sphere will properly interact with the TileMap as intended, the other half will not for wha ...

Particle record in the Matinee leads to crash when playing after record.

Particle record feature in the matinee seems not properly working in the Editor. When trying to play in the matinee with recorded keys, the Engine will crash with Access violation - code c0000005. ...

When painting on a landscape with edit layers, there are UV distortions happening across the boundaries of paint layers when material is using SetMaterialAttributes

Context Landscape Edit Layers enables users to paint landscapes using non-destructive layers, and can add multiple layers to the landscape that can be edited independently from each other. Problem ...

LIVE: Setting sg.EffectsQuality between values will reset Destructible meshes if they have fractured

DESCRIPTION: Using the command line sg.EffectsQuality and setting a value will reset a destructible mesh if it has already been fractured. AH Post: https://answers.unrealengine.com/questions/12850 ...