Unreal Engine Issues

[Feature Request] Add option preventing double startup for desktop platforms

In release versions of desktop applications, various issues (such as double login) may require implementation to prevent double startup. In order to implement this feature, each developer need to mo ...

Malloc Leak Detection Crashes

Seems a bug in UClass::SetSparseClassDataStruct

The LoadTimeFile argument crashes package at startup

Latent Actions do not execute if the blueprint name contains non-english characters

REGRESSION: Issue started occurring with 4.25.4 Blueprints with non-English characters in their name will not trigger latent actions. The following warning appears in the log in this case: LogScr ...

Can not assign texture in directory with Chinese characters to material instances.

Low-level memory tracking has negative values for "FMallocUnused" and "Untracked"

"FMallocUnused" is immediately bellow 0. "Untracked" is reported to go below 0 after very long playtimes (over 36 hours). Reported in version 4.25.3(CL 13942748). Tested and found negative values f ...

UE4 Scene Crashing upon opening

The user first launched his project and received an error on his HDD and UE4 crash with the default scene. He was able to open the project successfully a second time and opened the "Library Scene" ( ...

Templated enum GetValueAsString function returns incorrectly formatted string

For many years there has been a static function on UEnum called GetValueAsString which would convert an enum like EAttachmentRule::KeepWorld to the string "KeepWorld", if you passed in the explicit ...

Cruncher Sharp Double click navigation doesnt work

[Image Removed] [Image Removed] I suspect this came in at 13550642 where I created a more separated data/view model ...