Unreal Engine Issues

Reproducible softlock on iOS

After performing the repro steps, screen will softlock unless you perform the "slide from 3 to 4, then back to 3" steps.  Appears to be an iOS system bug, but see if we can find a workaround. ...

Some style settings can not be modified on Editor Utility Checkbox widget

Some style settings cannot be modified on the Editor variant of the checkbox widget (EditorUtilityCheckbox). This looks to be related to the style settings applied in FStarshipCoreStyle::SetupCheckb ...

SetupToolChain.sh hasn't been updated to the latest version within Linux Installed Builds

Repro Rate 3/3 Regression status is under investigation You are able to still package the project by ignoring and continuing after the dialog box is displayed in the Actual Results as it will util ...

Mobile preview does not follow PIE seamless travel

TraceDataFitering is not activated when LiveTrace is started from the Editor.

TraceDataFitering is not activated when LiveTrace is started. We can force it to be active by calling the following code.  IUnrealInsightsModule& UnrealInsightsModule = FModuleManager::LoadModuleCh ...

Navmesh does not update according to the volume, when an actor with a navigation volume tied to a parent is moved.

When a NavmeshBoundsVolume or NavModifierVolume is parented to another actor in the outliner, navmesh is not updated along the volume when the parent actor is moved. If the volume is deleted and the ...

[AI] Editor crashes when editing values of an FInstancedStruct's TArray inside of a BP

While using a custom struct that contains a TArray member variable with FInstancedStruct, you cannot edit it in the editor without a crash. Other structs and types work as expected even if they deri ...

Masked material MSAA bug

This appears to be coming from the ResolveSceneColor pass. ...

Compilation error in Mac editor builds when adding UWorld::IsStreamingLevelBeingConsidered function

This code passes the build when compiled using the windows editor (Visual Studio), but fails when compiled using the mac editor (XCode). Adding ENGINE_API to struct FStreamingLevelsToConsider and ex ...

[AI] FRecastNavMeshGenerator can leak build tasks when it is destroyed

FRecastNavMeshGenerator does not cancel its async running tasks when destructing. This leads to leaking build tasks if any are running when the generator is destroyed. ...