"Failed to Merge Bones" window can pop up repeatedly with no "...to all" option

OLD - Anim - Jul 6, 2015

User is experiencing a situation where he gets this window 200 times and no way to get out of it with a single click. ...

Transform gizmo on sockets can become large and unusable

Tools - Feb 19, 2016

Transform gizmo can become huge when using certain meshes to create a socket on. I don't know exactly what's wrong with this mesh, but the transform gizmo isn't expected to go nuts. [Image Removed ...

WorldGridMaterial gets added as Element 0 when importing LOD model

When importing a LOD model, LOD material can get added as element 0, not preserving previous material assignment. It's not possible to re-order/delete the automatically added Element 0 WorldGridMat ...

"Fix root motion initial rotation handling" commit breaks root motion completely

OLD - Anim - Dec 18, 2014

Enabling and processing root motion causes animation to rotate the wrong direction. Roll instead of Yaw. Pitch instead of roll etc. This error does not occur in UE 4.6. ...

Convex Decomposition is broken on Linux using Imported Static Mesh

Tools - May 23, 2018

Changing the complexity of the desired mesh using the Hull Count, Hull precision and Max Hull Verts on Linux requires the process more time to complete, but causes no results. This process works as ...

Landscape normal behaves differently on CPU vs GPU

UE - LD & Modeling - Terrain - Landscape - Jul 16, 2020

One of our licensees encountered this issue. Landscape normal is calculated differently on GPU vs CPU. See screenshot below: left is GPU (with Edit Layers enabled) and CPU (Layers disabled) [Image ...

Crash when enabling Edit Mode

OLD - Enterprise - Aug 3, 2018

LOD asset does not visibly update

Tools - Aug 9, 2016

When cycling through the LODs of the "SkeletalMesh_LOD_Skeleton" there is no visible distinction of the LODs. The LODs do update in the info printed on the left side(As seen in the gif below) but th ...

[Interchange] Time zero bind pose do not support multiple bind pose for the same bone

UE - Editor - Content Pipeline - Import and Export - Nov 27, 2024

If you import a model containing multiple mesh using the same bones but with different bind pose, the time zero skin result will be wrong. ...