Unreal Engine Issues

Small seams in a rescaled Landscape between all the Landscape Components

This is a regression. Tested in //UE5/Release-5.0 CL20979098 Small seams in a rescaled Landscape between all the Landscape Components. This only happens when scaling specifically to this value. ...

Landscape has a seam when scale is set to a decimal

Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does occur so it is not a regression. This issue occurs if the scale set for the landscape has a decimal value that is not 0.5. Sett ...

SteamSockets not setup to handle Client/Session ID handshakes

Repro Rate: 3/3 This is a live issue where the customer claims that the SteamSockets implementaton is not setup to handle the new Client and Session Id setup that was introduced in 5.1. This issue ...

Precomputed AO Mask renders with value of zero after building lighting

Regression: Tested in UE5/Release-5.0 at CL 20979098, this issue does not occur so it is a regression.  This issue occurs in 5.1 for both normal light building and GPU Lightmass building. In 5.0 th ...

ExpandEnumAsExecs always uses first Exec if an argument name matches Enum value

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. EnumBugBP uses two enum cases and three argument cases for 6 total permutations:Enum w ...

Foliage cannot be selected after deleting a single instance

This issue occurs in both World Partition and Non-World Partition levels, and does not seem to occur with Nanite meshes. You can still select Nanite foliage instances after placing them, but selecti ...

Proejcts with vr.InstancedStereo=true crash on Mac

Sounds like neither Multiviewport nor View Instancing (MMV) is not supported on Mac atm, and the logic in StereoAspects asserts. See attached log from a partner. ...

Confusing Axis Overriding in 2D Vector Directional Enhanced Input

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Expected Results are based on the previous Input system. ...

Importing a 16x16km landscape at 0.5m resolution crashes Unreal (not enough VRAM)

Renaming a level containing Text3DComponent can cause crash

BuildTextMesh function queued as AsyncTasks may be called during saving (renaming) a level containing Text3DComponents.  The following workaround fix the problem. void UText3DComponent::BuildTextMe ...