Default values resetting for level instances of custom component pointers

UE - Gameplay - Components - Feb 3, 2017

When a code component contains a pointer to an actor, adding the component to a blueprint and setting the pointer to point to an instance of the same blueprint will cause the pointer to reset to "No ...

Setting size of GameViewportClient gives different results on Android than in Editor

UE - Platform - Mobile - Feb 9, 2017

Setting size of GameViewportClient gives different results on Android than in Editor OpenGL ES renders with the viewport origin in the bottom left, so that's potentially related to the problem. A ...

Subclass disappears from class variable drop-down on re-open

UE - Gameplay - Blueprint - Mar 13, 2017

Subclass disappears from class variable drop-down upon reopening the project. There is a workaround for the issue but it is strange in nature. Opening the level blueprint and adding the node in scre ...

Construction script not updating HISM array count

UE - Gameplay - Blueprint - Mar 27, 2017

Construction script not updating HISM array count, even when new elements are adding inside of the level. Regression: Issue occurs in 4.15.1 of the binary build Using the same repro steps provid ...

World Outliner selection does not update transform widget location during play

Tools - May 23, 2017

World Outliner selection does not update transform widget location during play. This issue can be easily fixed simply by reselecting the object, this issue only affects the first time the object is ...

AssetManager can load blueprints of the wrong type when redirectors exist

UE - Gameplay - Sep 29, 2017

The logic in the AssetManager to determine if a scanned Blueprint should be added to the primary asset directory is wrong if that blueprint has an active redirect targeting it. The simplest way to r ...

[CrashReport] Mac crash - UE4Editor-SlateCore.dylib!SWindow::IsVisible()

UE - Platform - Apple - Oct 12, 2017

This is a trending Mac crash coming out of the 4.18 previews. Most of the project titles experiencing this crash mention "AR" It is the exact same callstack and crashgroup as [Link Removed], but th ...

fbx attribute curve import do not support correctly tangent at the start end end of the curve

UE - Editor - Content Pipeline - Import and Export - Sep 2, 2020

We are not reading all the key flags and we do not import correctly start key and end key tangent. I create a shelve but this is not the complete fix, we must do this only if we do not have fbx ket ...

Copying collapsed graph with a node with a custom Exec pin results in duplicate pin name

UE - Gameplay - Blueprint Editor - Aug 17, 2022

When duplicating a collapsed blueprint graph which has a node with a custom Exec pin, this results in blueprint compilation error that a duplicate named pin is found. Duplicated exec pins aren't ass ...

FAnimUpdateRateParameters::GetInterpolationAlpha appears to be returning an invalid value for TrailMode

UE - Anim - Aug 5, 2023

It appears that  FAnimUpdateRateParameters::GetInterpolationAlpha is not returning a sensible value when running in TrailMode.  Currently the only variable in the calculation is EvaluationRate which ...