AnimToTexture vertex animation stutters on looping frame

UE - Characters - Animation - Aug 8, 2025

The AnimToTexture plugin generates an animated texture that results in a stutter when the animation loops. This looks to be related to the code in UAnimToTextureBPLibrary::AnimationToTexture which ...

Editor actor does not update when component code is changed.

UE - Gameplay - May 10, 2016

When a code based actor component has an exposed array of actor components, adding an element to the array in the editor will add the component to the actor but removing that element does not remove ...

Event dispatchers does not correctly compile with variable that is the same BP

UE - Gameplay - Blueprint - Nov 28, 2017

There is an issue occurring where Event dispatcher with inputs doesn't compile if they have a variable that is the same as the BP class. This issue only occurs with the variable being the same class ...

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor

UE - Gameplay - Blueprint - Dec 9, 2014

Right-clicking in the Event Graph of a second Blueprint created using Create Blueprint Using This... will crash the editor. Crash Report: [Link Removed] Call Stack:<unknown module>! KERNELBASE!Rai ...

Install daydream app message does not always pop up if the user cancels the pop up a couple times

UE - Platform - XR - May 1, 2017

Install daydream app message does not always pop up if the user cancels the pop up a couple times ...

KiteDemo: Bookmark spawn function broken if in Run mode

Docs - Samples - May 4, 2017

While testing in KiteDemo - //UE4/Release-4.16 CL 3420042 in Binary – I found that pressing the bookmark attraction Scene keys (1 - 0) does not work as intended if user is in Run mode. ...

Desynchronised playback of firstime played SoundWaves with active AudioStreamCaching

UE - Audio - Mar 25, 2020

The SoundWave in the Content folder of the attached Project has been exported from Nuendo @ 120BPM 4/4, with a duration of exactly 1 Bar. The BP_Audio Actor uses the TimeSynthComponent to provide sa ...

Crash when calling SetVector2DParameter on a Niagara Parameter Collection

UE - Niagara - Mar 10, 2022

Crash when calling SetVector2DParameter on a Niagara Parameter Collection. The value for the SetVector2DParameter may or may not have to be changed in order for the crash to occur.  Assertion faile ...

Shadows cast from static meshes are not appearing on characters in Mobile Preview

UE - Graphics Features - Oct 24, 2014

When placing a Static mesh into a level that will cast a shadow and building lighting, no shadow will be shown on a character when walking through its shadow ...

Editor loses focus and is moved behind another window when adding a new Directory to Monitor to the Auto Reimport settings

Tools - Jun 5, 2017

Adding a new Directory to Monitor to the Auto Reimport settings for the Editor results in any Editor windows on the primary monitor being moved behind the top-most window on that monitor. ...