Unreal Engine Issues

Crash with Skeletal Mesh + Capsule Shadows + Render Static

Updates to DesiredFocusWidget for a UserWidget are not propagated to existing instances of it inside the WidgetTree of other widgets

This issue has been reproduced in UE 5.3 to 5.7 and source versions. A repro project is available. Below are the findings from an initial investigation of the problem. Normally, when a UserWidget p ...

Property won't be force synced when re-enabling replication.

It seems like if replication is re-enabled for a given property, its state should be force synced (depending on replication conditions). Otherwise, the state will remain "out of sync" for an indeter ...

Using CTRL+W to duplicate multiple components of an actor at once trips an assert

Attempting to duplicate multiple child components results in an assert being thrown.  ...

Crash in NaniteStreamManager when Nanite data fails to decode corrupt data from DDC

If Nanite data becomes corrupt in the DDC, the Editor may crash in FStreamingManager::InstallReadyPages() when the Pending.State is FPendingPage::EState::DDC_Ready but the resulting SrcPtr is null b ...

Renaming a Blueprint interface asset doesn't update the ImplementedInterfaces list in the Blueprint editor's Class Settings tab

There is no UI refresh for the Implemented Interfaces list in the Blueprint editor UI after a Blueprint Interface asset is renamed in the Content Drawer. Consequently, the interface cannot be remove ...

TMatrix<T>::InverseFast() ensure when running URootMotionModifier_SkewWarp::WarpTranslation().

URootMotionModifier_SkewWarp::WarpTranslation() uses InverseFast() within a block of code that is only executed if DeltaTranslation is not nearly zero. The ToRootSyncSpace transform the code builds, ...

In 5.7, a Sequencer that contains a Spawnable ChaosCacheManager will crash the Engine on EndPlay

In 5.7, a Sequencer that contains a Spawnable ChaosCacheManager will crash the Engine on EndPlay. The licensee has reported, and I've confirmed, that this behavior started in 5.7. I've confirmed thi ...

Crash attempting to open an asset from Aim Offset graph in Persona

This is a regression from 4.13 ...

UMG widget callbacks do not set PIE context in editor

This is from a UDN post. Several gameplay functions, such as level streaming and SoftObjectPtr resolution, depend on the GPlayInEditorID being set when that code is executed in PIE in the editor. T ...