Unreal Engine Issues

Inconsistent behavior with Register State Branches

ISourceControlProvider::RegisterStateBranches(...) doesn't reliably warn on conflicts ISourceControlProvider::RegisterStateBranches(...), specifically FPerforceSourceControlProvider, is supposed to ...

Cloth painting - Camera movements are broken once leaving the painting tool.

Possibly a regression, but I could reproduce this issue as far as 5.2, so unsure when it started. The issue seems to be that the cloth painting tool lock the camera movements during painting, but d ...

Crash in persona editor when set postprocess animinstance using Linked Layer Anim to skeletal mesh

Crash when set PostProcessAnimBlueprint in persona editor. Related to [Link Removed], [Link Removed]. ...

The getter/setter function bAllowRightClickDragScrolling incorrectly refers to AlwaysShowScrollbarTrack

UScrollBox::AlwaysShowScrollbarTrack has its own getter/setter function (SetAlwaysShowScrollbarTrack/IsAlwaysShowScrollbarTrack). In another property for UScrollBox::bAllowRightClickDragScrolling, ...

UAssetImportTask::bReplaceExisting is not supported with interchange

Add this code to a function you call from a blue utility widget or any other way to start the import with this code.TArray<UAssetImportTask*> ImportTasks; for (int32 i = 0; i < cFC.Files.Num(); i++) ...

The return value of int64 FMath::RandRange() is biased

Unable to set simulate physics to false through blueprints

If "Editable when Inherited" is disabled for the static mesh component the issue does not occur. The bug could be related with other UDN cases:https://udn.unrealengine.com/s/case/5004z00001ruXmEAAU ...

GAS: Removing an AttributeSet followed by removing an active GameplayEffect results in client crash

Gameplay Ability System Standalone: Removing an attribute set and then removing an active gameplay effect that has a modifier for an attribute from that set results in a crash. Currently, one must ...

AnimSequence derived data is non-deterministic

Building derived data for AnimSequence does not create deterministic output. Data that is stored to the DDC is expected to be deterministic. If there is a need to store metadata that may vary betwee ...

Common UI/Enhanced Input UI action binding issue

They've nailed it down to the following logic FUIActionBinding::TryCreate which doesn't check for the InputAction specified.// Make sure there is no existing binding for the same action associated w ...