Unreal Engine Issues

Fbx re-import material issue on LOD 1 and more

When the material order of embedded fbx LOD change differently in LOD 0 and LOD 1, the LOD 1 is wrongly assign when re-importing. ...

NumNonClothingSections logic is bad

We use the NumNonClothing section number to iterate in the sections, this is an error if the cloth sections are not at the end of the sections array. See the following picture of a search on NumNonC ...

The socketbuilders do not properly join multicast groups on iOS

On iOS, using the code in the UDP socketbuilders causes the sessions tool to not join with iOS devices. Giving the error EADDRNOTAVAIL. If the user falls back to the other code function that uses th ...

Deferred Decals Fade In With No Fade Duration Set

Decals fading in with Fade Duration set to zero. Found in 4.21 CL# 4753647, 4.22 CL# 7053642, 4.23 Preview 5 CL# 7838574 ...

ClampMax and ClampMin Ignored on FVector2D Details

Paper2D performance regression due to TArray resizing

We've noticed after upgrading our heavy Paper2D project to 4.22 that tilemap performance has been massively degraded compared to previous versions. After some digging we found out that it's due to a ...

Naming texture parameter "HeightMap" on landscape materials doesn't work

Reimport Skeletal Mesh break Morph Targets if you have Active Reduction on base LOD

BuildGraph XML Errors Logged Incorrectly

Suggested fix from licensee: After investigation, it seems that the filename is passed as a string instead of a FileReference in Script.cs:84. Fixing the issue seems to be as simple as changing th ...

Crash: Landscape Materials Missing on Shipping and Development Packaged Builds

When running a packaged build of a project with a level with a landscape that has a material assigned it will crash (shipping build) or not retain the assigned material (development build). There i ...