Unreal Engine Issues

FName no longer equals FName_None when constructed with a trailing underscore and digits in range of 1-9

When an FName is created with a trailing underscore and any number of digits in the range of 1-9 the trailing digits are used as the internal number value for the FName lookup. This results in the F ...

Inconsistent parameter handling for pak/iostore block size / patch padding

Users have trouble overriding the blocksize/patchpaddingalign parameters for UnrealPak from UAT commandlines.There is no easy way to specify these parameters through a buildcookrun, instead they n ...

World Partition - Deleted actors can become unloaded prior to saving

In world partition levels, deleted actors can become unexpectedly unloaded prior to saving, causing loss of work. Specifically, this issue occurs after the undo history has been cleared (either manu ...

Investigate PythonScriptPlugin module load order for preload module

[Mootools Bug] SKP import - Mirrored groups will display with the default material in Keep Hierarchy imports

Reported in SF [Link Removed] SketchUp models containing grouped elements that are mirrored will incorrectly display these elements with the default material when imported using the Keep Hierarchy ...

Bug when loading an external project that also exists in the uprojectdirs

When launching the editor for the "external\foreign" project, the code in GetEngineAndProjectAbsoluteDirsFromExecutable ends up superseding the path returned from {{FPlatformMisc::ProjectDir() }} wi ...

[Crash] Failed to CreatePipeline on Vulkan ES31 with a special material graph

Niagara - "Make Static" nodes do not seem to be working correctly.

When a "Make Static" node is used in a Niagara Function Script or Niagara Module Script to supply the input value for a Static Switch Selector or, a Function Parameter, or a Function Parameter Defau ...

On the Details Panel of Niagara Function Inputs, the Type selector does not show "Static" types.

Consider a Niagara Function or Module Script containing a Static Switch node. If the "Expose as Pin" option is enabled for its selector variable, an input pin with type "static bool" appears. In one ...

Niagara - When a Static Switch is used inside a Niagara Function Script with "expose as pin" disabled, its Selector variable is exposed as an input on function call nodes. However, this input incorrectly loses its "static" type.

Consider a Niagara Function Script containing a Static Switch node with the "Expose as Pin" option disabled for its selector variable. When the function is called by another Niagara Function or Niag ...