Child Actor Component Not Destroyed When Parent BP Is Replaced in Scene

UE - Gameplay - Blueprint - Oct 16, 2015

Having an actor in the level with a child actor component, replacing it with another copy of itself, and deleting the copy results in a Child Actor remaining in the world outliner, which cannot be d ...

Shadow flicker with dynamic lighting at low cascade levels when FOV changes

UE - Graphics Features - Sep 1, 2017

When using low shadow settings there is a flicker that occurs when changing a camera FOV, the flicker will end as soon as the FOV has finished adjusting to the new FOV. This can occur when:Using a ...

Setting KeepState as default in LevelSequences makes Sequencer blend animations not as expected

UE - Anim - Sequencer - Nov 27, 2018

Setting "Keep State" for an animation in sequencer makes the sequence behave differently in Sequencer and in Play Mode. The animations appear to be blending together instead of having normal transit ...

Ease node "Shortest Path" auto sets to true after closing and reopening editor

UE - Gameplay - Blueprint - Mar 9, 2015

UPDATE: 3/10/2015 User reported manually adding a separate boolean value causes that value to automatically switch to true upon reloading editor as well. No current workaround is available. ======= ...

BlackmagicMediaSource causes a memory leak if "Just-In-Time Rendering" option is ON.

UE - Virtual Production - IO - Media - Oct 31, 2023

Since 5.3, BlackmagicMediaSource causes a memory leak. This didn't happen on 5.2. You can see the leak on PIE. [Image Removed] [Image Removed] If "Just-In-Time Rendering" option in the MediaB ...

values for pinch input produce very different results for same area on android device

UE - Platform - Mobile - Oct 13, 2017

Values for pinch input produce very different results for the same area on an android device. values can range from 0 to 1, or end up in the thousands, despite the pinch distance being the same. It ...

Selecting All Actors and then moving them results in the children being offset from parents

Tools - Feb 9, 2021

When using Select All, the children are selected as well. When you move the actors, the children begin to move at different rates than the rest of the actors, resulting in them being offset when you ...

Lens Flare and Bloom do not work for local multiplayer

UE - Graphics Features - Jan 22, 2015

Using a post process volume with lens flare and a bloom enabled do not appear functional in split-screen multiplayer. Other selections in the PPV work as intended (ie. Fringe, Ambient occlusion). ...

Widgets With Retainer Boxes Are Selected When Behind Widgets Without One

UE - Editor - UI Systems - Dec 24, 2019

When a widget that has a retainer box is behind another widget that doesn't have one it will call it's onclick instead of the one in front of it in the UMG when clicked (see attached gif). This beh ...

Edit-> Project Settings -> Collision -> Presets Has No Scroll Bar

Tools - Sep 30, 2015

If you open a project and immediately go to Edit-> Project Settings -> Collision and expand the Presets dropdown, no scroll bar will appear. This prevents you from being able to see all of the optio ...