Unreal Engine Issues

When asynchronously loading levels using the "Async Load Primary Asset" node, the dirty flag of the loaded level becomes Enable

Asynchronously loading a level that has one or more Actors using the "Async Load Primary Asset" node will enable dirty grug for that level asset. The cause is a modified code(CL-3764602) for the [L ...

Multiplayer Shootout fails to package properly

Attempting to package the Multiplayer Shootout example results in an error and the packaging attempt fails. The error can be found in the attached log. Regression?: No This occurred in 4.18 and 4.1 ...

Disabling "Support Stationary Skylight" Causes Crash With Forward Shading Enabled

Disabling 'Support Stationary Skylight' crashes if you select anything in the editor when Forward Shading is also enabled. Working as expected 4.19 4033788 Found in 4.20 CL# 433996 and 4.21 CL# 42 ...

Vray Material nodes are disconnected after saved if closing and re opening Unreal

Flickering Meshes after removing HISM instances

Removing HISMs in a packaged project causes meshes to remain and flicker in a packaged project. (Inclusive Nativization is enabled in test project, but issue occurs with nativization disabled as we ...

HISM(Hierarchical instance static mesh) has lightmap problem after building lighting

HISM has lightmap issues after build lighting ...

Scene Capture Component "SetShowOnlyActors" no longer exposed to Blueprints

SetShowOnlyActors of category Scene Capture Component is no longer exposed to Blueprints. Also missing in Main CL# 4247867 ...

Using a Sub Anim Instance causes a "Sub Instance Loop" Compile Error

Using a Sub Anim Instance causes a sub instance loop error when referencing another Animation Blueprint. This is a regression from 4.19.2 (CL-4033788) as it complied without error. This issue was r ...

Attempting to compile an editor plugin that spawns an instance of ACullDistanceVolume causes a linker error

A linker error is encountered if an Editor plugin spawns an ACullDistanceVolume instance. This is caused by neither having ENGINE_API or MinimalAPI specified in its UCLASS macro. Regression?: No Th ...

Update Instance Transform Rotation for HISM isn't working in a packaged game

Using 'Update Instance Transform' to rotate HISM instances will work in PIE, but won't work in a packaged game. This is a regression from 4.19.2 (CL-4033788). This issue was reported and tested in ...