Unreal Engine Issues

High framerates result in desyncs with clients when using a dedicated server.

When a client operates at a high framerate on a dedicated server, their player movement will become desynced with the server. This manifests in different ways on different versions. In 4.21, it caus ...

Space Bar pressed event not received in Windowed mode

Replication issues & warnings if a client hitches while the server seamless travels

If a client hitches while a server performs a seamless travel, the client will get multiple lines of logspam of these warnings:Warning: UActorChannel::ProcessBunch: SerializeNewActor failed to find/ ...

Making a hidden level the current level changes tile position in World Composition

[Feature Request] Cryptomatte for Foliage

Cryptomatte implementation only looks at the HActor hitproxy type which is a different type than ISMs which use HInstancedStaticMeshInstance. ...

[AI] Navigation memory set in NavMeshMemory::ForAnyElementType::ResizeAllocation shows as Untagged in LLM instead of being under Navigation.

Licensee found that memory being allocated during a resize in NavMeshMemory is not being tagged within LLM as NavigationMemory but show in LLM as Untagged memory. They do not have a callstack showca ...

Duplicate actions appear in the Blueprint graph right-click menu for AddComponent node actions when "Context Sensitive" is checked.

When the "Context Sensitive" option is checked, there is a duplicate menu item that appears in the Blueprint graph's right-click context menu for every "Add Component" menu action. Unchecking "Cont ...

Merge Actors Merge Materials Missing Visibility Collision

Crash when opening or editing a DataTable with a Row Structure that contains a BodyInstance

If a DataTable Asset is created with a Row Structure that contains a member variable of type BodyInstance, the Editor will crash when attempting to open it while it has no rows. It will also crash w ...

Geometry with Static Shadow Invalidation Behaviour being written into invalidated VSM Pages

Geometry that has its "Shadow Cache Invalidation Behavior" set to "Static" will still draw in the dynamic shadow cache when it is experiencing WPO ...