Crash when loading Anim BP after undoing and saving "Use Shared Rule" in state machine

UE - Anim - Runtime - Jul 19, 2022

Reported by UDN  [Link Removed] From Slack discussion: It seems that undo-ing the transaction in UAnimStateTransitionNode::UseSharedRules, leaves the outer graph (UAnimationStateMachineGraph) wit ...

Latent Blueprint Functions has incorrect linkage when the FLatentActionInfo is the first argument

UE - Gameplay - Blueprint Compiler - Jul 18, 2022

When you create a latent function in C++ with the FLatentActionInfo first it will incorrectly set up the linkage for the latent info such that it gets linked to the incoming execution pin of the fun ...

Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node

UE - Gameplay - Blueprint - Jul 18, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node.  ...

Large distant objects lose skylight lighting

UE - Graphics Features - Jul 18, 2022

[CrashReport]UnrealEditor-DatasmithImporter!FDatasmithImporterHelper::ImportInternal(UFactory *) [DatasmithImporterHelper.cpp:218]

UE - Editor - Content Pipeline - Datasmith - Jul 18, 2022

Generated from CrashReporter ...

[Quartz] Play Quantized Crashes When Played On An Audio Component Spawned With 'Persist Across Level Transition'

UE - Audio - Quartz - Jul 15, 2022

There's a crash when "Play Quantized" is used on an Audio Component that was constructed via the functions "Create Sound 2D" or "Spawn Sound 2D" when the option 'Persist Across Level Transitions' is ...

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 ...