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 ...

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 ...

Rect lights cause visual noise on the light rendered when using raytracing

UE - Graphics Features - Lumen - Nov 12, 2019

Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...

Naming an Event Dispatcher the Same as an Overridable Function Corrupts the Event Dispatcher

UE - Gameplay - Blueprint - Oct 21, 2015

Creating an event dispatcher in a widget blueprint with the name OnDrop, which is already an existing overridable function, causes the event dispatcher to become corrupted and prevents it from being ...

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected

UE - Gameplay - Blueprint - Aug 3, 2015

Function call inputs do not revert to their Default Values if a variable node is connected and then disconnected. Refreshing the call node does not reset the inputs to their defaults. Reproduced in ...

When move selected foliage to level, Foliage can not move to level.

UE - World Creation - Worldbuilding Tools - Foliage - Jul 18, 2017

With 4.15, I can move Foliage to "Sublevel B", but I can not move it with 4.16. It seems to be affected by the update in 4.16 (New: When moving a foliage asset to a new level, you will now be prompt ...

Apex Destructible meshes are disappearing at certain distances during Runtime.

UE - Simulation - Physics - Destruction - May 13, 2021

Green spheres at "4.3 - Destructible Assets" flash in an out of view. Can not be viewed on the left of the spheres.When playable play is close to the spheres they disappear no matter the position.Gre ...

Filtering a Curve with Fourier Transform (FFT) with the Response set to Chebyshev crashes the editor

UE - Anim - Sequencer - Mar 19, 2021

When creating a Curve and filtering the keys with a Fourier Transform, the engine crashes. The engine doesn't crash when the Bake, Euler, or Simplify options. It only crashes if there are a minimum ...

Crash when generating mip maps for texture

UE - Graphics Features - Dec 23, 2019

Generating mip maps results in crash and seems to duplicated 1x1 mip level. NOTE: The bug was originally reported in 4.23.1, however, for some reason I was able to open the texture in 4.23.1 afte ...

Collision is not generated for Planes

UE - Gameplay - Jan 30, 2017

Single Planes do not generate collision on import or with the Convex Decomposition window. Workaround: box Collision can be added via the Collision > Add Box Simplified Collision. I checked as fa ...