Editor crash when adding mesh renderer elements in Niagara

UE - Niagara - Jul 8, 2025

When adding multiple meshes to a Niagara Mesh Renderer Module, a check() will be triggered due to a mismatch in the number of Widgets and the number of Tooltip Widgets. ...

Landscape Layer Blending Painting Issue

UE - Graphics Tools - Terrain - Sep 10, 2025

There are two issues when painting landscape layers.Paint: When painting between different layers, square-shaped artifacts or splotches appear.Fill Layer: The blended weights of other layers aren't ...

Crash after converting to 4.7.0 from 4.6.1

UE - Gameplay - Blueprint - Feb 26, 2015

User is crashing when opening project after converting to 4.7. [Link Removed] [Link Removed] LOG IS ATTACHED 4.6 project with updated plugin: [Link Removed] ...

Creating 3 player splitscreen causes viewport to go black on PIE

UE - Graphics Features - Feb 13, 2015

If a game is set to play with 3 player splitscreen, starting the came will cause the viewport to go completely black. Does not occur with 2/4 players. Does not occur in standalone ...

Can add pins to nodes during PIE

UE - Gameplay - Blueprint - Feb 5, 2015

Pins can be added to blueprint nodes during read only modes, such as PIE. ...

The Show Collision console command does not update to show collision on newly spawned actors

Tools - Oct 29, 2014

Using the Show Collision console command will show collision for existing actors, but if a new actor is spawned its collision is not shown. This is problematic when trying to visually debug projecti ...

Custom Events can't be called after changing level blueprint or switching maps

UE - Gameplay - Blueprint - Dec 23, 2014

Custom events cannot be called as functions after being made in level blueprints or after changing levels. User must close and re-open editor to be able to call a custom event. ...

Spawn Actor from Class does not compile correctly when calling a child blueprint from a parent blueprint

UE - Gameplay - Blueprint - Dec 19, 2014

Compile error occurs when attempting to spawn a child blueprint from a parent blueprint. ...

Functions in the Level Blueprint throw a warning on PIE

UE - Gameplay - Blueprint - Mar 3, 2015

Functions in the Level Blueprint throw a warning on PIE: LogBlueprint:Warning: FMemberReference::ResolveMember (NewFunction_0) bSelfContext == true, but no scope supplied! Every function logs thi ...

The Show Collision option in the Viewport does not show all collision during Simulate

UE - Simulation - Physics - Jan 30, 2015

The Show Collision option in the Viewport does not show all collision during Simulate. ...