Unreal Engine Issues

ResavePackagesCommandlet needs to handle resaving ExternalActors for -FixupRedirectors

ResavePackagesCommandlet -fixupredirects fails to fixup pointers from external actors that are pointing to objectredirectors. It fails to fixup those pointers because we specifically skip loading of ...

SwapRootBone_Actor ignores a relative rotation

When we use SwapRootBone_Actor, we expect to move in the X-axis direction, which is the forward direction of the Actor. However, it does not take into account the RelativeRotation of the Skeltalmesh ...

Animation attributes - user defined structs containing types defined in plugins cannot be registered

This issue is caused by us forcing user defined structs to be loaded as part of AttributeTypes::Initialize.  That is called after at the ObjectSystemReady run phase during engine initialization howe ...

Evaluation of attributes in a slot with time blend profiles that has additive poses is not as expected

GAS: FGameplayAbilitySpecHandle lacks invokable serialize function

FGameplayAbilitySpecHandle is a struct that can be replicated by-design to identify a granted GameplayAbility in server-client communication. This works fine with default struct replication using FR ...

FColorSpaceTransform Crash on Linux due to misalignment

FLinearColor FColorSpaceTransform::Apply(const FLinearColor& Color) crashes while attempting to VectorLoadAligned() when running the UnrealEditor on Ubuntu 22.04. ...

Nanite custom depth rendering is missing support for r.CustomDepthTemporalAAJitter=0

Nanite custom depth rendering doesn't "de-jitter" the view parameters for custom depth rendering when r.CustomDepthTemporalAAJitter is set to 0. This was discovered by a licensee and reported via U ...

Crash on paste of subcategory in the details panel

checkSlow hit when using array with replication condition in Iris

For arrays, FPropertyReplicationStateDescriptorBuilder::IsSupportedProperty will set the FMemberProperty's ChangeMaskBits to "1U + FPropertyReplicationState::TArrayElementChangeMaskBits". If the arr ...

[Attenuation][Spatialization] - If speaker output is set to stereo, the Surround 2D Non Spatialized Radius Mode doesn't generate any audio

If Surround 2D is set as the Non Spatialized Radius Mode, there is no fallback option if the user's output is not a surround format (eg stereo). There is also nothing communicated in the Tool Tip. ...