Unreal Engine Issues

Materials are added to a Model that has been modified by Cube Grid

This is not a regression. Tested in //UE5/Release-5.1 CL23901901 Changing materials before making a change to a model with cube grid causes that previous selected material to be added to the model ...

A Kinematic controlled vehicle is not rendering correctly when it has a non-identity transform.

There are issues with the vehicles rendered position when it is being moved in a kinematic manner, i.e, forcibly moving a vehicle (not simulating it) using either FChaosEngineInterface::SetKinemati ...

Vehicle clutch not fully simulated in Chaos Vehicle Plugin

There is no manual clutch control exposed to users. For completeness this should be available via blueprint in the same way that the settering, throttle and brake are user controlled. ...

UnkownRef Mips can cause TextureStreaming peaks during loading

UnkownRef Mips is meant to fix/workaround the problem where some textures are used for rendering but they don't have any component references them (such as texture used by PP effects) These UnkownR ...

Renaming a variable on a Blueprint will reset that variable's value on any Child BPs

If a variable is renamed on a blueprint, then any child blueprints will lose their default values for that variable and reset to the parent's default value. This resetting only happens with the Chi ...

Decals Normal only + Material Attributes

This does not just work with BaseColor, you can affect any of the outputs by connecting something to a disconnected CreateMaterialAttributes. ...

ApplyRootMotion**** ability tasks broadcast completion events before calling EndTask

Several ability tasks used to apply root motion sources on Characters have ordering problems between on-completion style events and ::EndTask / OnDestroy. UAbilityTask_ApplyRootMotionMoveToForce is ...

Brush Editing: Can't move vertices along local coordinates

[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash

If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...

Editor Preferences export failing

Editor preferences are not successfully exporting in //UE5/Release-5.1 This issue is occurring in Binary //UE5/Release-5.1 at CL 23901901 This issue is NOT occurring in Binary //UE5/Release-5.0 at ...