Unreal Engine Issues

Datasmith Archicad - Transform will not resync properly when modifying roof thickness and transforms

Reported in SF [Link Removed] With Datasmith Direct Link from Archicad, when adjusting the roof thickness for an imported roof any adjustments to the transform of the roof will not update on resync ...

UnrealGameSync update check not working if Horde is set as an update source

Iris - actors spawned/loaded before a connection exists will not use delta compression

FDeltaCompressionBaselineManager::CreateBaseline will return early if the object has an invalid ObjectInfoIndex, which is allocated in FDeltaCompressionBaselineManager::UpdateScope (by calling FDelt ...

FBlackboardKeySelector filters aren't applied when recompiling blueprint if a behavior tree asset containing the blueprint added as a service is closed, or if the blueprint is reparented.

Context In Behavior Trees, BT Services can be added to nodes. Those services can have configurable FBlackboardKeySelectors. BlackboardKeys are variables on a blackboard that the behavior tree can r ...

Post Process Animation Blueprint Crash When Using Blend Node

When using a Blend node inside a Post Process Animation Blueprint, the editor crashes while rendering thumbnails. The crash occurs because USkeletonThumbnailRenderer attempts to draw a thumbnail wit ...

Mutable constant texture variable with ClipUV mask only works with new experimental dynamic variable is connected as well

We are attempting to use Mutable in 5.6.1 and have encountered an issue which we are not sure how to resolve. The issue occurs when using the ClipWithUVMask node. In short we have a customizable o ...

Changing the scale of a single HISM instance greatly affects the LOD selection of all instances

When using ISMs and HISMs, each instance can have its own transform, which can affect the LOD selection of one or more instances. For HISMs in particular, changing the scale of a single instance gre ...

TMap "Categories" meta propagates into structs it shouldn't apply to

When using TMap with "Categories" meta UPROPERTY tag for gameplay tags, it propagates into structs that it shouldn't reaching into. The expectation is that it would only impact the layer of gameplay ...

When exporting static meshes with bExportSourceMesh enabled, there is a problem where all UVs are fragmented.

From customer: "In the StaticMesh Export option, when bExportSourceMesh is set to True, exporting StaticMesh Assets and importing them into DDC tools such as 3dsMax or Maya results in the UVs being ...

Revision Control > View Changes: Request for direct navigation from the Content Browser assets right-click menus to View Changes

Right-clicking any object (Assets or ExternalActors) in ViewChanges allows selection. Conversely, using Source Control > View Changes from an Actor's right-click menu in the Outliner navigates to Vi ...