DataValidation System Implemented in EditorUtilityBlueprint Subsystem Crash

UE - Editor - Content Pipeline - Jul 24, 2023

Implementing data validation via an Editor Utility Blueprint works fine in the editor, but when run via the commandlet, the blueprint won't load the editor utility subsystems (i.e. Static Mesh Edito ...

When creating a new NiagaraSystem using existing system, the DefaultEffectType set in ProjectSettings is not reflected.

UE - Niagara - Jul 24, 2023

When creating a new NiagaraSystem, the DefaultEffectType set in ProjectSettings should be reflected. If another EffectType is already set, it should be respected. The problem here is that when creat ...

FMaterialResource::IsDualBlendingEnabled bug

UE - Rendering Architecture - Materials - Jul 24, 2023

The user has a proposed fix for this in the case. FMaterialResource::IsDualBlendingEnabled needs the following modification that includes MaterialInstance check: bool bMaterialRequestsDualSourceBle ...

Unable to load ASTC_HDR cube texture on IOS

UE - Rendering Architecture - RHI - Jul 24, 2023

Project include a hdr texture "desert_outer_hdr" Texture size is 512*512*6, compressed with ASTC 6x6 HDR profile Stride should be: ceil(512/6)*16 = 1376 bytes However, if connect to xcode debug, ...

URigVMBlueprint::CompileLog can spam the editor log when verbosity is set to Log

UE - Anim - Rigging - Control Rig - Jul 21, 2023

It seems that URigVMBlueprint::CompileLog is spamming the log whenever a call to BP_SCOPED_COMPILER_EVENT_STAT, including for blueprints that are unrelated to control rig.  The log messages are only ...

Crash when converting non-WP maps containing landscape with OnlyMergeSubLevels enabled

UE - World Creation - Worldbuilding Tools - World Partition - Jul 21, 2023

When trying to convert a non-WP map with OnlyMergeSubLevels enabled crash after a while ...

Full Body IK does not work properly when root bone has large scale

UE - Anim - Rigging - Control Rig - Jul 20, 2023

FBIK becomes extremely unstable when the root bone scale has a value other than 1. ...

Adding a water island when substrate is true will flatten the landscape

UE - Graphics Features - Substrate - Jul 20, 2023

When a landscape weightmap or heightmap update is required, ALandscape::ResolveLayersTexture is called via the ALandscape::UpdateLayersContent() The problem appears to be that all pixels in the Out ...

USD Stage Import - Spawned actors by USD importer are not saved in level

UE - Editor - Content Pipeline - USD - Jul 20, 2023

we ran into an issue with USD Importer plugin for Unreal 5.2. When you import a USDStage with the "actors" import option - which respawns the newly imported actors into the current level.  However, ...