Unreal Engine Issues

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

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

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

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/ ...

Reverting a BP interface category does not update the context menu

Negative scale with non 0 rotation doesn't work.

Fix up IOS errors calling UI API from non-UI threads

Assertion failed: Engine crushes when a geometry collection hits a landscape

This is because THeightField::PhiWithNormal has not been implemented yet. ...

Updating C++ projects with Marketplace plugins in 4.25.2 fails to build project

Projects created in previous engine versions fail to build in 4.25.2Running D:/Epic Games/UE_4.25/Engine/Binaries/DotNET/UnrealBuildTool.exe Development Win64 -Project="D:/Unreal Projects/MyProject4 ...

Particle editor realtime mode disabled when play in editor

Particle editor realtime mode disabled when play in editor, while it's normal in UE4.24 ...

Black flickering on Mesh particles when the Renderer is set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's WPO

Black flickering on Mesh particles when set to a non-default Facing Mode or using Orient Mesh to Vector and when using Particle Position in the Material's World Position Offset ...