Unreal Engine Issues

Enum with "MAX" element at other than the last element removes user defined last element

FNativeClassHeaderGenerator::ExportEnum produces this behavior. If an enum has “MAX” somewhere in the array, it removes last element. I tested my code to fix the issue.// code placeholder bool UE ...

Investigate deprecating byte-swap during save

All major UE target platforms are little-endian. Saving packages with byte-swapping seems to have been broken for more than six years, when CL# 1495479 changed `FArchive::ByteOrderSerialize()` so th ...

Blueprint Functions Aren't Listed in the Profiler Tool

Blueprint functions aren't showing up in the Profiler Tool. Found in 4.23.0 CL#8386587 Reproduced in 4.24.0 Main CL#8781358 ...

Crash: Landscape Materials Missing on Shipping and Development Packaged Builds

When running a packaged build of a project with a level with a landscape that has a material assigned it will crash (shipping build) or not retain the assigned material (development build). There i ...

The "Random Integer in Range from Stream" returns the same value if the seed is power of 2 of anything above 22.

When using the "Random Integer in Range from Stream" where the seed is a power of 2 after a certain point (2^22) the random integer that is returned is the always the same. If the seed is 2^23 + 1 i ...

The packaged build of a project that has a strong pointer initialized to nullptr immediately closes on launch

When a strong pointer is set to null the packaged build of the game will immediately close. No crash logs were were made and no Saved folder was made (<Project Name>/Saved/Logs). An example project ...

4.23 Preview crashes with command line arguement -AutomatedMapBuildUseSCC = False

Using an automated script in command line arguments to build project map causes a crash. Note: that it will not crash when 'UseSCC=false' is omitted, but it will not build the map either. Screen gr ...

Packaged Game Ensure Crash when GameInstance working with Async loading thread

In Engine 4.23 Preview, when AsyncLoadingThread is enabled and GameInstance is loaded from a Blueprint, the Engine will crash. ...

FPlatformOutputDevices::GetAbsoluteLogFilename() not returning correct path when running multiple application instance

Placeable UCLASS specifier doesn't override parent classes NotPlaceable UCLASS specifier

When the child of an actor with the UCLASS specifier NotPlaceable has the UCLASS specifier Placeable it still isn't placeable. This behavior doesn't occur in 4.20.3. Found in 4.22 CL#7053642 Reprod ...