Unreal Engine Issues

Subobjects can change sorting order in Blueprint Subobject Editor

Subobject sorting is not stable in the Subobject editor, so the UX is bad if you are creating complex hierarchies because it's difficult to keep track of newly added or reordered components. ...

Duplicated function in BP editor is categorized differently from copy/paste

From licensee: If I create a function in a Blueprint Interface or Blueprint Function Library and leave it in the Default category, it shows up in the "All Actions for this Blueprint" menu under "Cl ...

HoloLens auto-enabling as a supported platform in 5.1

https://udn.unrealengine.com/s/case/5004z00001n9MUWAA2/hololens-cannot-be-permanently-disabled-as-a-target-platform?fromCase=1 They disable hololens as a supported target platform, but it is enab ...

Validate whether the usage of FPIEFixupSerializer can be removed from UWorld::DuplicateWorldForPIE

UMovieSceneTrackInstance::GetWorld() does NOT work properly in Editor

UMovieSceneTrackInstance::GetWorld() returns nullptr on Editor, so user can't use any function using WorldContext and Subsystem. The following code change may fix this issue UWorld* UMovieSceneTra ...

When packaging a cpp project created with the InstalledBuild engine, the build does not complete.

Renaming a variable on a Blueprint will reset that variable's value on any Child BPs

If a variable is renamed on a blueprint, then any child blueprints will lose their default values for that variable and reset to the parent's default value. This resetting only happens with the Chi ...

XR Planar Reflections lag behind VR headset movement

Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...

Interchange: Ensure in InterchangeManager when exiting the editor in game mode

> UnrealEditor-InterchangeEngine-Win64-Debug.dll!UInterchangeManager::StartQueuedTasks::__l2::<lambda>() Line 861 C++  UnrealEditor-InterchangeEngine-Win64-Debug.dll!DispatchCheckVerify<bool,bool ...

Crashes when playing Slomo on NiagaraSystem with Solo and DesiredAge.

When Slomo 2 is used to speed up the process, TicksToProcess is greater than 1, which means that ManualTick is called several times during one loop.  When playback is completed by a ManualTick in t ...