No Editor Audio on Linux when using ALSA

UE - Platform - Linux - Oct 31, 2017

No sound play in editor when using ALSA (Advanced Linux Sound Architecture), and log spam when launching a project ...

Sidescroller Character Gets Stuck on Platform Edges When Moving on Tick

UE - Gameplay - Player Movement - Nov 2, 2015

When converting the character movement in the sidescroller template to occur on Tick instead of key press, the character will begin to run, and then get slightly hung up on the edge of the platform ...

Renaming parent invalidates childs hierarchy

UE - Gameplay - Components - Jun 22, 2018

When renaming the Parent of a Child Blueprint it invalidates the hierarchy of the Child Blueprint and nests its components under the DefaultSceneRoot. This bug was reported in 4.19.2 (CL-4033788) a ...

Splash Screen orientation will not change when in Portrait and Upside Down on iPhone 5

UE - Platform - Mobile - Mar 12, 2015

When changing the Orientation in the iOS settings to Portrait and Upside Down, the splash screen will still appear in the landscape orientation when the project opens. this issue will only occur on ...

Directional light triggers 'too many overlapping lights' error in forward shading

UE - Graphics Features - Sep 24, 2019

The underlying reason seems to be that the stationary lights require SM channels for casting shadows  from movable objects and they are assigned channels 0,1,2 by lightmass (or somewhere along the w ...

NavMesh "Enable Drawing" option is not saved

UE - AI - Mar 7, 2015

USER DESCRIPTION: Every time I check "Enable Drawing" in project settings, save all, close the editor then open it again -> Enable Drawing is unchecked. Why? Is there some other place when this opti ...

ZenGarden's game sequence doesn't play on device

UE - Platform - Mobile - Jul 18, 2017

Zen Garden loads, then the screen fades in and out as if it's ready to begin play. But when the player taps the screen, the only thing that moves are some lensflares, and the level never transitions ...

Default Value elements in a variable array inside a Game Instance Blueprint collapses after anything is entered

Tools - Jul 16, 2015

Default Value elements in a variable array inside a Game Instance Blueprint collapses after anything is entered. This does not occur in other Blueprint classes. Additional actions that will collaps ...

NavMesh Not Updating When Collision is Manually Added to/Removed From a Static Mesh

UE - AI - Nov 9, 2015

When you add or remove collision manually, the NavMesh will not update, even after rebuilding paths. The only way to get the NavMesh to update when collision is changed manually is to restart the ed ...

Logging out and then logging in as a new user results in slate creating multiple Slate User IDs

UE - Gameplay - Input - Jul 28, 2023

I believe this is happening because when you change your logged in user, the Slate Application will automatically create a new second slate user with an ID of 2. This is bad because the Slate App is ...