Niagara mesh rednerers with a volumetric material trigger a handled ensure and are invisible in the scene

Rendering - Niagara - Jul 29, 2020

Volumetric materials on a Niagara mesh renderer will not appear in the scene and cause a handled ensure.  ...

Fbx exporter does not support component overriden material color

Tools - Import - Jul 29, 2020

The fbx exporter should query component material override when exporting a level actor. ...

"REFLECTION CAPTURES NEED TO BE REBUILT" is displayed on a cooked game.

Rendering - Ray Tracing - Jul 29, 2020

This issue occurs when streaming levels including reflection captures are displayed with  delay. When it finishes loading assets, reflection capture textures are uploaded to the GPU. Then the leve ...

Duplicating BP actors reset edited Variables to Default Value if Variables name start with Chinese Character

Core - Jul 29, 2020

Hints: It has no problem in 4.24, only happening in 4.25 It has no problem as long as the Variable name is contained with Alphabat(English characters) fully; or start with Alphabat(A_变量 is fine) ...

Blueprint classes are listed in Object pickers, but will not work as expected

Gameplay - Blueprint - Jul 28, 2020

Because of the way blueprints are implemented, the "Blueprint Class" asset actually points to the editor-only UBlueprint object. Because of this, all blueprint classes will show up as options for ge ...

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

Networking - Jul 28, 2020

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/ ...