Variables named PlayerCamera are replaced with PlayerCameraManager in PlayerController BPs

UE - Gameplay - Blueprint - Mar 19, 2015

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 ...

DoF Focal Distance and Region not respected in Mobile/Metal Preview or Deployment

UE - Graphics Features - Oct 15, 2015

When using a DoF setting and in Mobile Preview/Metal or launching on a iOS device which supports Metal, the DoF Focal Distance and Regions are ignored and the whole scene has DoF applied to it. ...

Broken Composite Decorator

UE - AI - May 14, 2019

Reported by Square Enix on UDN, ...

Engine Crashes On Scene Close When An Actor Is Spawned With Templated FActorSpawnParameters

UE - Simulation - Physics - Mar 5, 2020

When an actor is spawned with Spawn Parameters that are templated the engine crashes when closing a scene. This wasn't happening when there wasn't a physics constraint on the spawned blueprint. Thi ...

Material overrides not respected when generating HLODs.

UE - World Creation - Worldbuilding Tools - HLOD - Oct 1, 2024

When generating HLODs, it is possible for the generator to ignore material override settings. The generator will not respect the constants, and does not change them in the Material with a default se ...

First Person Primitive

UE - Graphics Features - Feb 20, 2025

First Person Scale and First Person Field of View on camera components do not apply to the depth prepass when rendering First Person View meshes, leading to a mismatch between the depth pre-pass and ...

Interface cannot be re-implemented after removal from blueprint

UE - Gameplay - Blueprint - Sep 1, 2015

If an interface is removed from a blueprint and an interface function is transferred to a local function, the interface cannot be re-implemented in the blueprint. ...

nonstandard bsp additive brushes cause breaking/artifacting on other bsp brushes when colliding

UE - LD & Modeling - Modeling Tools - BSP - May 14, 2015

if a nonstandard additive bsp brush collides with a standard additive bsp brush, the surfaces of the bsps break and artifact, causing numerous holes in the brushes. ...

Editor crashes when attempting to open a new level from a level that has an external curve in a timeline within the level blueprint

UE - Gameplay - Blueprint - Oct 27, 2014

The editor crashes when a user imports a float curve into a timeline within the level blueprint then attempts to open another level. ...

AddProceduralMeshComponent node throws UnknownTemplateReferenced errors in duplicated Function

UE - Gameplay - Blueprint - Aug 5, 2015

AddProceduralMeshComponent node throws UnknownTemplateReferenced errors in duplicated Function User description: 1) Make a function that has a Add Procedural Mesh Component node. 2) duplicate func ...