LevelStreamingPersistence plugin improvements

UE - World Creation - Worldbuilding Tools - World Partition - Dec 29, 2023

UDN: [Link Removed]Fix SaveToFileCommand : [Image Removed]Problem with private properties serializing structs:[Image Removed]Add support for runtime instantiated UObject classesAdd single restore c ...

[CrashReport] UE4Editor_UnrealEd!FAssetEditorToolkit::GetDefaultTabIcon()

Tools - Nov 2, 2017

This is a fairly common crash that occurs in the 4.17 and 4.18 releases. This callstack was originally being tracked under [Link Removed], but that had specific repro steps that were confirmed fixed ...

Unable to override private Blueprint variables in child classes

UE - Gameplay - Blueprint - Jun 16, 2022

In UE4, "Private" for Blueprint variables was misnamed: its behavior actually meant "Protected". In other words, it can't be read or written to by external objects, but it can be by derived types. A ...

USkeletalMeshComponent::HandleExistingParallelClothSimulation() calling WaitUntilTaskCompletes can trigger arbitrary task that modifies currently iterated UWorld::ComponentsThatNeedPreEndOfFrameSync

UE - Framework - Components - Feb 23, 2024

Context ActorComponents can schedule an end-of-frame update for themselves by calling UWorld::MarkActorComponentForNeededEndOfFrameUpdate. The UWorld will iterate all those actor components once pe ...

Physics Asset primitives are being created with the default Name as None instead of BoneName_PrimitiveType

UE - Editor - Content Pipeline - FBX - Oct 27, 2024

When creating Physics Assets, either by automatic creation upon import, creation from skeletal meshes already in the project, or when we press Generate All Bodies (bottom right of a opened Physics A ...

Editor crashes on blueprint open when shortcut key is implemented through code

UE - Gameplay - Jun 7, 2017

Editor crashes on blueprint open when shortcut key is implemented through code inside of the BaseEditorPerProjectUserSettings.ini. Code used in repro is directly from Jeff W suggestion in the forum ...

ARM64 projects crash on device with Signal 11 with GooglePlay plugin enabled

UE - Platform - Mobile - Sep 20, 2016

When launching ASTC ARM64 packaged project onto S7, it'll crash with Signal 11. It seems very similar to [Link Removed]. ...

Orientation Warping breaks incoming poses where bones are in component space

UE - Anim - Gameplay - Apr 17, 2025

The orientation warping node breaks incoming poses where bones are already in component space. This is because, in EvaluateSkeletalControl_AnyThread, we are repeatedly setting bone transforms direc ...

[CrashReport] Access violation - FLandscapeEditDataInterface::SetAlphaData()

UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017

This is a common crash affecting users in 4.15 and 4.16. This callstack was previously linked to [Link Removed], but that had a specific repro case that was fixed in 4.14. Users are not providing ...

[CrashReport] FPhysicsAssetEditorSharedData::FPhysicsAssetEditorSharedData

UE - Simulation - Physics - Nov 2, 2017

This is a trending crash coming out of the 4.18 release, and may be a regression. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2290 #end ...