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. ...

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 ...

EXR renders won't go above 640x360 when rendering from an Editor Window

User was attempting to render out EXR sequences and ran into an issue where anything above 640x360 caused the window to shrink and render at a lower resolution. The workaround is to "Use Separate P ...

Renaming components in blueprints resets default values for all instances

Renaming a blueprint component and presing ocmpile will reset any altered instances of the blueprint to default values. ...

Level Merging creates a new empty level and deletes only one of the two levels merged

After merging two levels in the Levels window, only one of the two levels will be deleted and a new level will be created. Any actors in the deleted level will be deleted as well. The new level will ...