Unreal Engine Issues

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 ...

Restart playback after pause at end skips forward

[Link Removed] ...

Encryption handshake will fail if a seamless travel occurs during key lookup

The encryption token challenge/response portion of the control channel handshake can fail due to a seamless travel occurring between the client's NMT_Hello being received by the server and the serve ...