Unreal Engine Issues

Crash Clicking on Enum in BT Decorators After the Enum Has Been Altered

Clicking on a Behavior Tree decorator that references an Enum blackboard key will crash the editor if that Enum has been altered in the method described in the repro steps. If you set decorators to ...

Distant paint/scatter grass not rendered in PT exports

Reported in SF [Link Removed] In TM 2025.1.1, in PT renders with large amounts of scattered or painted vegetation, distant grass may not appear in exported renders that would previously appear in t ...

Metal - Support 32bit index buffers

Metal is not taking the non-uniform buffer path for GPU skinning. ...

FMonitoredProcess does not properly support -nothreading mode

For single threaded mode, we need to update FMonitoredProcess to handle processing in a single threaded fashion. Currently, we are continuing before the process has completed, which could result in ...

SkelMeshMerge not working for meshes with >1 LOD

Reported on UDN (see Additional Info URL). Looking at code, we call USkeletalMesh::AllocateResourceForRendering for every LOD, but we should only call it once. Need to check if our SkelMeshMerge t ...

APlayerController::IsPlayerMuted no longer supported on clients

Recent changes to the player controller's mute functions have resulted in the MuteList not being updated on clients, and instead APlayerController::ClientMutePlayer now just directly calls MuteRemot ...

Volume material doesn't support EyeAdaptation node

FBX exporter does not support Level instances

StaticMeshActor loses root component scale if placed with Surface Snapping enabled in Editor Viewport

If you make a Blueprint child of StaticMeshActor, and set the default scale of the Root Component (Static Mesh Component) to something other than 1,1,1, the scale will not be applied when the actor ...

tvOS/IOS: Fails to Build with dSYM Options Enabled Due to DsymExporter Erroring Out

When attempting to package for tvOS or iOS with the generate dSYM options enabled, numerous instances of the following errors occur:[2019.01.21-20.53.35:739][138]UATHelper: Packaging (tvOS): [2019 ...