Unreal Engine Issues

[UDN - 00655218] UDeveloperSettings change delegate not executed on import

UDN Description Hello, We extensively use the UDeveloperSettings class to automatically register project and editor settings for the different C++ plugins we build. For instance : [Start code b ...

Detect OnHovered event in child widgets even if HitTest(Self/Child) is disabled in RetainerBox

When HitTest(Self/Child) is disabled in RetainerBox, the child widget is assumed to not fire all hit test events. However, in this case, the hit test event is fired in the child widget. This is an i ...

Capturing backtrace of another thread in engine built with clang raises access violation exception

Engine built with Clang throws an exception when calling RtlVirtualUnwind with a different thread ID. Engines built with Microsoft compilers do not occur this problem. For example, if starting PI ...

Animation viewports can cause debug print messages to be purged

A change was made a while back so that control rig debug print messages would be displayed in the animation editor preview windows.  This is done via calling UEngine::DrawOnscreenDebugMessages from ...

EnhancedInput Triggers can become stuck in an triggered state after pause when using Set Mode UI Only and CommonUI

Recentering on Meta Quest doesn't work

This is a serious issue as it's causing applications to fail certification on the Meta Quest store ...

Bug with setting the ChildActorClass in ChildActorComponents in Blueprint

It's impossible to set it back to None. Also, if the original blueprint had something set in ChildActorClass, it will be impossible to set a placement of it to None. I looked at it briefly in the de ...

TSR fix excessive flickering when subpixel details are in history but not input image

Chaos Vehicle does not make them CCD

AWheeledVehiclePawn class tries to use CCD in the constructor, but Mesh->BodyInstance.bUseCCD = true this code does not work to activate CCD because Physics Assets could not be available at this ...

Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable

For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...