Unreal Engine Issues

Compressed anim sequence data isn't updated immediately when virtual bones are added

It seems that the compressed animation data within an anim sequence is not updated immediately when a virtual bone is added to a skeleton. If the user attempts to call UAnimSequence::GetBoneTransf ...

Ensure occurs when RBAN simulated rigid body approaches UseComplexAsSimple mesh

When a collision enabled RBAN node attempts to collect surrounding meshes, if there is a mesh with UseComplexAsSimple, it will hit the Ensure when cloning a mesh on the task graph thread. Disabling ...

Breaking a level instance can not remove the level instance from world

Currently there is no stable way to break level instances ...

BoxOverlapActors fails to catch an Overlaped actor with a particular scale, from a particular position

BoxOverlapActors fails to overlap a scaled Floor actor with a particular scale, from a particular position and extent. The setup is really specific and described in Steps to Reproduce. The required ...

StateTree : Crash when executing GetPropertyRef in SubTree linked via Linked Asset

A crash occurs when GetPropertyRef node is executed from a SubTree that is linked within a StateTree, which itself has been linked from a parent StateTree via a Linked Asset ** . The processing con ...

BP - Nativized build will crash at runtime if a non-nativized child that inherits from a nativized parent containing a ChildActorComponent sets the CAC class to a non-nativized child of a nativized BP class.

Current workaround: Add a dummy variable to either BP_Owner_Child or BP_CAC_Child to force one of the two to be nativized. ...

OnlineServices-Lobbies: Crash when host migration message is received and the next host has already left the session

A crash occurs at FindChecked in the code below.if (PreparedServiceChanges->OwnerAccountId) { InternalPublicData->OwnerAccountId = *PreparedServiceChanges->OwnerAccountId; if (bDispatchNot ...

Bone names of ~100 characters or longer crash the editor when baking to control rig

This is an issue with inconsistencies over rig names and how control names are generated. We expect that a control name will be appended with _CONTROL or _CURVE_CONTROL. But because URigHierarchy: ...

WP HLOD Crash on Small Cell Sizes

Rendering issues with modulated shadows on tegra 4 devices.

Modulated shadows are pretty broken on tegra4. see screenshot. ...