Load level interactions are not working on mobile

UE - Editor - UI Systems - Dec 9, 2014

When using UMG to load levels on a mobile device, The first level is being loaded but nothing after the first is able to trigger any additional levels to load. ...

Adding a Blueprint Interface (with function named "Test") to a Widget Blueprint with a variable named "Test" crashes the editor when compiling

UE - Gameplay - Blueprint Editor - Oct 5, 2017

Giving the Blueprint Interface Function and the Widget Blueprint Variable the same name, then adding the Blueprint Interface to the Widget Blueprint, causes the editor to immediately crash when comp ...

GAS: GameplayEffects component tag containers don't inherit properly

UE - Gameplay - Gameplay Ability System - Aug 28, 2023

Using the new GameplayEffect's component based configuration, selected tags (FGameplayTagRequirements) don't inherit from parent GameplayEffect blueprints to child BPs. ...

Noticeable Audio Pop when Opening a New Level after Spawning and Playing a Sound with Volume Multiplayer at 0.0

UE - Audio - May 18, 2017

A licensee is reporting an audible pop when transitioning between levels with a sound spawned and playing at volume multiplier of 0.0. The original report was a discrepancy between the old audio en ...

Niagara Memory Leak in vertex buffer when increasing particle spawn rate on CPU sims

UE - Niagara - Jul 16, 2019

Increasing the spawn rate of a CPU particle sim will cause a memory leak in the vertex buffer.  ...

Evaluating same frames of event track when enabled auto scroll.

UE - Anim - Sequencer - Feb 3, 2020

If Auto Scroll is enabled, it seems to be re-evaluating the same frame. Especially noticeable when the [View Range End Time] is small value (Working Auto Scroll). ...

Hover events do not fire off until after clicking when Set show mouse is set to true after the game input was the focus

UE - Editor - UI Systems - May 11, 2015

If the game focus was set to game only (such as the start of a default project) and then the user sets Show Mouse to true then the hover events will not fire until the user clicks. ...

Dedicated servers keep memory of last loaded map, resulting in memory leak when transitioning between maps

UE - Networking - Aug 9, 2016

As mentioned in closed bug [Link Removed], memory isn't being freed when the server changes maps. ...

No Bind option for brush array delegate in UMG

UE - Editor - UI Systems - Oct 28, 2016

The option to bind to a delegate does not appear when the desired property is in an array. ...

Transform gizmos becomes detached when using editor mode plugin

Tools - Jun 27, 2017

After the gizmo is detached, if you click on it to use it, such as translating the object with the translation widget, then the gizmo snaps back to the object in the Viewport. Based off of [Link Re ...