Unreal Engine Issues

FBX sdk give wrong normals when compile with Visual Studio 17.4.1

At the time this Jira is created, UE 5.1 and 5.2 is using VS 17.3.6 which is working correctly. any update after should repro the issue. ...

Upgrading a project from 4.7 to 4.8 will cause the character to load before the level in a packaged game

After updating a project from 4.7 to 4.8 the character will be loaded first when the project has been packaged out. ...

Manually changing the value for Constraint Value 1 & 2 causes odd visual issues

Changing the values that govern what bones a constraint is suppose to be a joint between (Constraint Bone 1 & 2) will cause issues where the transform widget is moved to an appropriate location but ...

Debugging Motion Matching in 5.1, looping animations don't loop root correctly

Just trying a few simple animations in 5.1, I have a few short looping cycle animation that go in different directions. I see very bad results and it looks like it's because of how MM is assuming th ...

Open Sound Control Blueprint Plugin stops working around 1 minute during play

Messages are not received around 1 minute into playing when using OSC blueprint plugin. Test Project: [Link Removed] User workaround: https://forums.unrealengine.com/development-discussion/blu ...

LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1

LODBias causes landscape component to stop rendering if set >0 and Forced LOD set to -1. NOTE If Forced LOD is set to 0, the component renders correctly. ...

SkeletalMesh editor: Make static mesh mess the LOD 1 plus material slot

Meshes made with the Pivot Painter tool don't work correctly on OpenGL ES3.1 + AEP

In the project attached in original UDN post (too big to attach here) there is a tree that was created with the pivot painter tool that is animated. In the editor it behaves correctly, but trying t ...

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse

Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse. The spin box appears to increment/decrement by more or less dependi ...

Changing preview mesh appears to affect initial transforms of all control rigs in level viewport

It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport.  This seems to be due to the c ...