Unreal Engine Issues

Crash when press F5 key any Test build project

When the F5 key is pressed during the lunch of the application created by Test configuration, the application will crash. This depends on the project. No Crash: Third Person project, ShooterGame ...

Collision lost from body when using world composition and streaming

Physics object from a streamed level does not interact with other physics objects in persistent level. ...

MoviePipeline: DWAA compressed EXRs don't support 32-bit images

Level sequence attachment dirtying bugs - 5.4

Level Sequences can mark the level they are in as modified without modifying them, as well as get themselves into a state where they modified themselves when saved. ...

UObject set to DefaultToInstanced will show all properties declared at the blueprint level, even in they're private and not instance editable

Licensee found that when creating a UObject class with DefaultToInstanced and EditInLineNew specified, and then a derived BP was created using the UObject class and used as a variable type in an act ...

Crash at startup when vcomp140.dll prerequisite is missing.

Some users are experiencing a Crash at startup because of missing vcomp140.dll prerequisite. ...

Crash when changing Twinmotion Cloud and Content library to the same folder.

[PCG] Undoing the deletion of a pcg actor removes the Instance Category from the pcg component, specifically no graph parameter can be seen.

Context: PCGComponents on actors contains a category "Instance" that allows the user to connect a PCG Graph of their choosing to the PCGComponent which allows the Procedural Node Graph to sample the ...

Reflections of Masked Materials incorrect with Lumen HWRT and Max Refraction Bounces > 0

Lumen HWRT Reflections of Masked Materials are incorrect when "r.Lumen.Reflections.HardwareRayTracing.Translucent.MaxRefractionBounces" is greater than 0. The same issue occurs if the Post-Process V ...

Changing UFUNCTION Category causes function to not appear in BP right-click menu after hot reload

If a function with a Category set in its UFUNCTION macro has the value of the category changed and then compiled (hot reload), the function will no longer show up in the right click menu of the blue ...