Replacing actors during LevelInstance inline editing applies incorrect transforms

UE - World Creation - Worldbuilding Tools - Level Instances - Jul 14, 2022

When you finish editing a level instance, the actor is converted from the world position to the local position of the level instance, but if you replace the actor, the conversion process is performe ...

Material Editor Assertion Crash When Collapsing Material Attributes

UE - Rendering Architecture - Materials - Jul 14, 2022

Collapsed material attribute nodes cause an editor assertion crash in the material editor when viewed or opened. Assertion failed: (Index >= 0) & (Index < ArrayNum): Array index out of bounds: 0 fr ...

Changes to AActor::SetReplicates caused Role/RemoteRole replication fix to regress

UE - Networking - Jul 14, 2022

There was a recent bug report that matched the description of some older cases (see linked UDN). The issue raised in those cases, [Link Removed], had been fixed, but the recent question seemed to in ...

Reimporting FBX imported with Import Into Level does not maintain the changed material.

UE - Editor - Content Pipeline - Import and Export - Jul 13, 2022

If you import by drag & drop without Import Into Level, the material will be maintained even if you change it. This is because FFbxImporter::ReimportStaticMesh() sets ImportOptions->bImportMaterial ...

[Audio Import] - Cue Points are stripped on import on 24-bit wave files

UE - Audio - Jul 12, 2022

When importing wav files with a higher bit depth than 16, any cue points on the file are stripped.  ...

Lumen appears to ignore custom World Origin Location

UE - Graphics Features - Lumen - Jul 12, 2022

Lumen doesn't update when the World Origin Location is changed. ...

Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing

UE - Anim - Anim in Engine - Jul 11, 2022

Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing. ...

BP using nested child actor components in streaming level causes ensure condition failed

UE - Simulation - Physics - Solver - Jul 11, 2022

This never happens on ue5.0.0 The problem appears to be caused by a deleted PhysicsProxy being registered with Solver. Since the solver accesses the deleted PhysicsProxy, it may crash. Checking a ...

[MetaSounds] [Asset Importing] - Can't Import Wave Files Created from MetaSound Wave Writer

UE - Audio - MetaSounds - Jul 8, 2022

Wave files created by the Wave Writer nodes in MetaSounds cannot be imported successfully into the engine. On my end, wave files created by Audacity could be imported successfully, so there does see ...