Unreal Engine Issues

Cannot Package Game for Windows from External Drive on Windows 8.1 Boot Camp Mac

User is trying to package the xixoBerlinFlat Marketplace and cannot get a packged project from an external drive project on a Windows 8.1 x64 system running via Bootcamp on a Mac. ...

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. ...

Fix up redirectors can fail if some packages were already checked out

Fix the skeletal mesh merge tool material assignment, change the API to avoid confusion

UDN user ask us to change the API for the material to remove confusion with the material ID. Also apparently there is an issue with the skeletal mesh merge tool, the user did not give any repro ste ...

When 1 AnimSequence asset is used for multiple SeuqnecePlayer, the override by AnimGraphOverrides affects other than the specified SequencePlayer.

If you use the same AnimSequence in multiple SequencePlayers in Base AnimBP and replace asset of one of SequencePlayers by AssetOverride in Child AnimBP, the result will be reflected in the other Se ...

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 ...

Level Bounds Incorrectly Calculated If Particle System Does Not Have "Use Fixed Relative Bounding Box" Enabled

If "Use Relative Fixed Bounding Box" is disabled, level bounds will be incorrectly calculated. This seems to be similar to [Link Removed]. Found in 4.19 CL# 4033788, 4.20 CL# 4212847, 4.21 CL# 4233 ...