ASan on iOS is broken

UE - Platform - Apple - Mar 1, 2024

Address Sanitizer (asan) is currently not working on iOS. This could be a helpful feature to get working again. ...

Blueprints break when implementing a duplicated BP interface along with the original

UE - Gameplay - Blueprint - Mar 1, 2024

When duplicating a blueprint interface, the GraphGuids of the original BP interface's function graphs are unchanged: function graphs across the two BP interfaces now have the same GraphGuid. This is ...

Level asset "Diff against depot" opens P4 Merge tool

UE - World Creation - Worldbuilding Tools - Mar 1, 2024

You can right click a level asset in the editor's Content Browser and do the action Source Control > Diff against Depot. However, this does not provide a useful diff window. It currently opens the d ...

MRQ Remote Render Audio is 30 seconds later than expected.

UE - Anim - Sequencer - MRQ - Feb 29, 2024

CL 17315409 Introduced a fix that relied on processing audio samples before a render. For remote renders this extra 30 seconds of audio processing seems to have made its way into the final results. ...

Using a Shading Model node set to Unlit results in an invalid material with FromExpression domain

UE - Rendering Architecture - Materials - Feb 29, 2024

Create a materialSet its domain to From ExpressionRecreate the node graph as in the screenshot Note that the preview sphere is black. ...

"Build All Levels" does not re-AddNavigationSystemToWorld

UE - AI - Navigation - Feb 28, 2024

The Build All Levels editor action cleans up the world's NavDataSet (UNavigationSystemV1::NavDataSet) as pre-rebuild world cleanup by calling: SetNavigationSystem(nullptr); inside UWorld::Cleanu ...

Always Relevant actor may replicate incorrect movement mode when the walkable floor becomes irrelevant

UE - Gameplay - Player Movement - Feb 26, 2024

When the character class is set to always relevant, if a client travels very far away from another character, such that the character is relevant but the component they're standing on is not (but al ...

Physical Material Mask does not return the correct value

UE - Rendering Architecture - Materials - Feb 26, 2024

Classes in TargetDenyList modules are still referenced from Components on BlueprintGeneratedClasses and cause runtime warnings

UE - Foundation - Feb 25, 2024

Other than the presence of the error and the performance cost of looking for a package on disk that does not exist, there are no behavioral problems. When running with legacy (non-iostore) pakfiles ...