Unreal Engine Issues

BP structures added as local variables do not retain default values

Adding a BP structure as a local variable to a function in a UMG widget graph will display the correct default values in the editor, but zero out to per-element defaults at run time. Update: Other ...

Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing

Crash occurs while changing between FK/IK mode in Animation Mode on the same frame with Space changing. ...

Shipping builds do not execute .exe

After playing with it and attaching in the debugger, it's sitting forever in MigratePreviousEngineIni(). It seems to be looping on DirectoryExists forever, likely here: while(PreviousVersion.GetMi ...

Crash when double clicking on RowStruct's CurveEditor

This problem can be reproduced with UE5.3 even after applying fix [Link Removed]. We have verified this issue with UE5.1 and it is not reproduced.  ...

Editor crashes if user attempts to open a data table that only has one data type after closing and reopening editor

Editor crashes if user attempts to open a data table that only has one data type after closing and reopening editor Frequency: 2/2 Crash Reporter: Not currently available ...

Cannot build project for Shipping when bUseLoggingInShipping is set to true for a project that uses replicated properties

Enabling bUseLoggingInShipping for a project prevents the project from being built for Shipping if the project includes replicated properties. This is only an issue with binary builds of the Engine. ...

Crash enabling Stochastic Rect Light with Ray Tracing

Enabling Stochastic Rect Lights with Ray Tracing causes the project to crash. Reported and tested in version 4.26.0(CL 14419252). Tested and not found in version 4.25.3(CL 13942748).  ...

Editor crash while saving asset during cook operation

It is possible to experience an editor crash in 5.5.4 when the cook process generates a warning that references an asset while the editor is saving. It seems that during a save operation, the code t ...

Crash when committing level instances containing invalid child actor components

Getting Fullscreen or Windowed Resolutions doesn't fully execute on Linux

When using "Get Supported Fullscreen Resolutions" on UE when built with Vulkan, no values are printed out. This is an issue with any platform that builds UE with -vulkan, not just Linux.  In Engine ...