iOS package with Metal Desktop Renderer enabled crashes on iPhone

UE - Rendering Architecture - RHI - Oct 11, 2024

iOS package with Metal Desktop Renderer enabled crashes on iPhoneThis issue does not occur if Metal Desktop Renderer is disabled ...

Incorrect display of NavLinks when bFailedNavLinks is enabled

UE - AI - Navigation - Oct 10, 2024

When bFailedNavLinkNavLink is enabled in RecastNavmesh, some NavLink points are debugged and others are not depending on the position of the NavLink point. In the sample project, enable bFailedNavL ...

[Interchange] mesh outside LODs hierarchy are added to only lod 0 it should be added to all lods

UE - Editor - Content Pipeline - Import and Export - Oct 9, 2024

[Interchange]: Skeletal mesh import do not take geometric transform

UE - Editor - Content Pipeline - Import and Export - Oct 9, 2024

We need to support geometric transform for meshes when importing skeletalmesh ...

FASTBuild cannot compile 5.5 for Windows.

UE - Foundation - Cpp Tools - UnrealBuildTool - Oct 8, 2024

A licensee reported errors related to the sarif file when compiling version 5.5 using FASTBuild. The problem is that the FB implementation code doesn't know how to deal with the /experimental cl.exe ...

Mesh Paint mode's Texture Paint has obvious artifact with UV seams

UE - Rendering Architecture - Oct 8, 2024

Mesh Painting Texture Paint tool can miss some pixels along UV seams, even with "Enable Seam Painting" set to True. This appears to be because of the difference between rasterization and sampling. ...

Play options menu vanishes sometimes

UE - Editor - Applied Usability - Oct 8, 2024

There seems to be something wrong with how we close menus and submenus as submenus are opened and closed based on mouse interaction. In particular, we seem to sometimes close the whole menu hierarch ...

FStaticMeshCompiler::FinishCompilation stalls when compiling multiple meshes.

UE - Foundation - Core - Oct 7, 2024

Calling "FStaticMeshCompiler::FinishCompilation" on multiple assets simultaneously can cause a hang. Also tested on //UE5/Release-5.5, CL: 36784631 ...

Array of structs does not animate sub properties correctly in Sequencer.

UE - Anim - Sequencer - Oct 4, 2024

Support for animating arrays of structs should either be disabled, or supported. ...

Changing a push model property without marking it as dirty can cause desync when the actor goes in and out of dormancy

UE - Networking - Oct 4, 2024

When the actor goes out of dormancy, it will replicate its push model property, even if it hasn't been marked as dirty. In this case, it seems the value of the property is not written to the shadow ...