Unreal Engine Issues

The orientation of the tangent space seems wrong with SkinCache recompute tangent enabled

Deleting a Sync Marker created by an Animation modifier deletes all Sync Marks made by the Animation Modifier

Using the delete key or context menu to delete a single sync marker created by an Animation Modifier deletes all sync markers created by the Animation Modifier. If all the markers are deleted, and ...

Adding a key to an Absolute transform section will accumulate an extra transform offset when a transform override is set on a sequence.

The keyed transform value will have the origin offset applied to it when it should not be.  ...

Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling

This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...

BulkDataManifest asset is non-deterministic

FPackageStoreBulkDataManifest:: Data ** is not sorted. It generates a difference, Here's a workaround void FPackageStoreBulkDataManifest::Save() { TUniquePtr<FArchive> BinArchive(IFileManager:: ...

HLOD lightmap lost after level reopening with "save LODActors to HLOD Packages" option in project settings is on.

ListView crashes when GlobalInvalidation is enabled.

Reverting to the fix in [Link Removed] (CL#17788567) will avoid the crash. ...

EOS Voice plugin causes a crash after adding "DefaultPlatformService=EOS" to the DefaultEngine.ini then restarting the editor

This is not a regression. Doesn't affect UE5. The editor crashes on start up after enabling EOS Voice Chat, and updating the .ini to include DefaultPlatformService=EOS. Removing DefaultPlatformServ ...

User INI settings should be able to load/save to/from iCloud on tvOS and optionally iOS.

UGameUserSettings just uses the ini file system and GameUserSettings to save/load user settings. on tvOS these files are not truly persistent and we should support loading GameUserSettings from iClo ...

Updating a material layer may not update materials that are using that material layer instance

Material layer instances do not generate a valid UMaterialFunctionInterface::StateId. For this reason, materials and material instances that use material layer instances will not recompile their sh ...