Unreal Engine Issues
Unreal Engine Issues
Disabling bLerpUVs in Nanite Settings of Static Mesh causes texture warping in clusters
UE - Graphics Features - Nanite - Jan 21, 2025The licensee has identified a potential fix by changing if( Settings.bLerpUVs ) to if( Settings.bLerpUVs || UVIndex == 0 ) On line 389 of NaniteBuilder\Private\Cluster.cpp in UE 5.5 ...
A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast it immediately disappears by hitting the world limits
UE - Simulation - Physics - Destruction - Jan 20, 2025A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast ...
MRQ - Long text comments in the MRQ burnin takes multiple frames to properly format
UE - Anim - Sequencer - MRQ - Jan 18, 2025Long text comments in the MRQ burnin takes multiple frames to properly format. See slack thread here: [Link Removed] ...
[Interchange][FBX] Bone orientation is different between legacy and interchange import with the ForceFrontXAxis
UE - Editor - Content Pipeline - Import and Export - Jan 16, 2025When importing FBX files using the Interchange and legacy import with Force Front X Axis enabled, the transforms of the bones in the imported FBX models will not match. ...
Memory Leak in GetAccessAddress (PropertyAccess.cpp)
UE - Anim - Runtime - Jan 15, 2025[Link Removed] you own this I believe, see the UDN for details about the leak. The UDN as screenshots of what functions they made to create the leak. I was unable to actually get this code path ...
Skeletal Meshes with imported LODs will use the highest LOD when generating Nanite, rather than LOD0
UE - Graphics Features - Nanite - Jan 14, 2025In the SkeletalMeshBuilder, Nanite is generated when enabled regardless of the LOD being requested. Since the Nanite enablement parameter is set on all LODs in USkeletalMesh::BuildLODModel and LODs ...
Building Geometry Stops UTickableWorldSubsystem Ticking
UE - Gameplay - Jan 13, 2025Can be mitigated by reopening the Level. There is a repro project provided by the licensee on the case ticket. ...
[Interchange][FBX] Fail to import attributes animation curves with key values as integer
UE - Editor - Content Pipeline - Import and Export - Jan 13, 2025cf[-https://forums.unrealengine.com/t/5-5-not-able-to-import-animation-curves-since-5-3-5-5/2267442/4-] Be carefull there is 2 bugs reported on that Forum and I think they are not related. The firs ...
NetUpdateFrequency Affected by Global Time Dilation
UE - Networking - Jan 13, 2025Changing the global time dilation in a multiplayer game affects the rate at which actors are considered for replication, and setting it to 0 will even cause replication to stop entirely (unless the ...
Params in material instance disappear when grouping is changed in material with a material layer
UE - Rendering Architecture - Materials - Jan 11, 2025If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...