Bloom intensity broken with Post Processing Material replacing Tonemapper

UE - Graphics Features - Sep 25, 2020

When replacing the Tonemap using a Post Process material, the Post Process Volume's Bloom Intensity can only be turned on or off, without varying degrees of effect. Reported in version 4.25.3(CL 1 ...

Media I/O - Capture option Crop/Center return on the top left instead

UE - Virtual Production - IO - Media - Dec 13, 2022

Camera View Transformations in Editor and Sequencer Cannot Be Undo (Ctrl+Z)

UE - Anim - Sequencer - May 26, 2025

Camera View Transformations in Editor and Sequencer Cannot Be Undo (Ctrl+Z) ​​Description​​: When switching the viewport to a specific camera actor, any manual movement/rotation of the camera (via ...

LIVE: ProjectileMovement component does not function when a PrimitiveComponent is missing or removed from the Components

UE - Simulation - Physics - Nov 18, 2014

A projectile brought over from 4.5.1 or earlier that does not have a Primitive Component as the Root, or removing the root from the projectile in 4.6, returns an error: "Movement component [Projecti ...

State Machines are re-initialized from entry after playing a Montage

OLD - Anim - Jun 3, 2016

State Machines are re-initialized from entry after playing a Montage This is a Regression: Does not occur in 4.11 ...

Foliage scalability does not accurately update when settings are changed in game

UE - World Creation - Worldbuilding Tools - Foliage - Sep 26, 2017

There is an issue that occurs where changing the scalability settings via the game script during play saves the values for the editor, but when the game is played a second time, the settings visuall ...

Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime

UE - Niagara - Apr 16, 2019

Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...

Landscape LOD behaviours is not working as expected (Its Calculation is not based on Sections anymore)

UE - Graphics Tools - Terrain - Landscape - Apr 10, 2024

"Components can optionally be divided into either 1 or 4 (2x2) subsections to increase the resolution of the Landscape. These subsections are the base unit of Landscape LOD calculation." From Doc ...

Duplicate linked anim layer interfaces cannot be added to an anim BP

UE - Anim - Runtime - Anim Blueprints - Mar 1, 2021

Duplicated anim layer interfaces cannot be added to the same anim BP. While UEdGraph::GraphGuid is unique within a bluprint, it is not unique within the project as a whole (see [Link Removed] for m ...

Multiple Blueprint compilation passes required to fix up event binding to dispatcher after event rename

UE - Gameplay - Blueprint Compiler - Nov 30, 2021

Renaming a custom event bound to an event dispatcher via a Create Event node requires two compilation passes to fix up the binding.  upd. Regression was checked on //UE4/Release-4.26 CL 15973114, i ...