Unreal Engine Issues

Packaged iOS project incorrectly includes level not selected to be cooked

When packaging for iOS on a Mac, the default level for a project will always be included in the packaged project even if it was not selected to be cooked and packaged. The expected behavior is that ...

Character sliding down a surface can prematurely land before reaching a walkable floor

Under some circumstances, a character falling and sliding along a sloped surface may get hung up near the bottom of the surface before actually landing on the floor.  This seems to occur when slidin ...

Max Pitch Angle does not correctly apply when utilized in procedural foliage volumes

Random Pitch Angle does not properly apply when called within a procedural foliage volume. ...

FPackedRGBA16N is divide by 32768 twice in NEON/FPU

Sub-components with the same name are not displayed on the correct parents in the Blueprints editor

Sub-components with the same name are not displayed on the correct parents in the Blueprints editor.  Upon creation of an Actor blueprint initially derived from a c++ base class (VRCharacter) which ...

If a function that takes a custom struct as a parameter is changed and a hot reload performed, any variables in Blueprints that are of that custom struct type will disappear and no longer be usable.

After creating a custom struct in C++ and adding a variable of that struct type to a Blueprint, hot reloading a code change that involves altering a function that takes the struct as a parameter res ...

Custom Primitive Data types do not work with Procedural Meshes even though the option exists in their Details Panel

This is a not a regression. Tested in UE5(Binary), UE4(Binary), and UE5 Main(P4). Procedural Meshes have the option for CPDs listed in their details panel under Rendering > Advanced >Custom Primit ...

Local binary build fails with iOS platform included

This report is very similar to [Link Removed] (the command line used to run the build is slightly different), but the build fails with a different error. In this case, a source file is being looked ...

UE5.6+ - Mutable - IDPrefix crash when combining Child Objects, Add to Mesh Component and Extend Mesh Section.

So the issue seems to be a combination of Add To Mesh Component and Extend Mesh Section. I've tried this in Epic Launcher 5.6, 5.6 in-house modified engine as well as ue5-main 5.7 from git (editor ...

Tilemaps with masked materials respond to lighting at incorrect directions

Tilemaps using lit methods of rendering are subject to strange lighting behavior. If the material for the tilemap is using a 'masked' method of rendering.  Lighting will appear at incorrect angles. ...