Unreal Engine Issues

Packaging with Code Editor plugin crashes and then fails to build

Packaging with the [experimental] Code Editor plugin enabled causes a crash during the packaging process in 4.8 source. The crash does not kill the editor, project can recover by choosing for Window ...

Vulkan crashes on Adreno Galaxy S7

Mac Crashing on Editor Launch

User reporting he is crashing when launching the Editor "This is a 4.9.1 binary build (latest), I can't give you the exact version because it crashes on the initialisation stage at 0%. The system i ...

Crash when using a Self reference with a Custom Event variable

Crash when using a Self reference with a Custom Event variable that is using Pass By Reference. The crash only seems to occur if the setup was created in the Player Controller class. This was origi ...

Editor crashes on Mac when launching with the command -MacExplicitRenderer=0

Trying to launch the editor with the command -MacExplicitRenderer=0 causes a crash. At the time of the crash, the following line appears in the log:LogMac:Error: appError called: Assertion failed: A ...

[CrashReport] Ran out of memory - FFixedUObjectArray::PreAllocate()

This is a somewhat common crash affecting users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. Source Context 165 if (GWarn) 166 { ...

Renaming assets keeps the old file

There is an issue where renaming assets keep the old files, which can easily occur after renaming files after a lunched project. This issue keeps old versions of files, these files keep in the conte ...

Point lights with source length building static lighting in incorrect direction

There is an issue where Point lights with source length building static lighting in the incorrect direction, the axis in which the light to be built seem to conflict with the preview build. This iss ...

Fix world to meters scale

Is changing the world to meters in the current 4.19 AR template project supposed to affect the world, or is world to meters only for VR projects currently? We have project where a client wants us to ...

Editable text box caret blinks slowly when manually setting focus

For some reason, it appears that manually setting the focus (whether it be user, keyboard, or both) on an editable text box in UMG causes the caret to blink slowly. However if you were to manually s ...