Unreal Engine Issues

Ray traced ambient occlusion is affected by exposure when export from sequencer

Fbx exporter does not support component overriden material color

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.

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

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) ...

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.

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 ...