Unreal Engine Issues

Hierarchical Instance Static Mesh's array does not reorder itself correctly

When an instance is removed from a Hierarchical Instanced Static Mesh's array, if there are indices that are further along in the array that fill that index, the last index in the array is used to d ...

When change sequence struct parameter, the editor crash.

when change sequence struct param, the editor is carash. It occurs in the case of using "Sound Wave", but the same problem occurs when "Sound Cue" is used. Attach application log, and crash dump fil ...

The Ability to Import Compatible Assets While Maintaining Original Folder Structure No Longer Functioning

Before UE4.12 A user could drag a folder and its sub-directories from the Finder in Windows into the Content Browser and it would keep the folder structures. Now, doing the same results in the asset ...

Pressing "X" to clear text field results in closing window instead.

In the event graph of a newly created Blueprint, in the "All Actions for this Blueprint" window brought up by right clicking the grid, the window will close by pressing "X" in the text field, instea ...

EDITOR: CRASH: Saving a project while an auto save is occurring will crash the Editor.

If a user initiates a save using Ctrl+S while an autosave is in progress, the Editor will crash. CRASHREPORT: [Link Removed] ...

FMath::TruncToInt() may result in incorrect data being returned in instances when a Double is passed in containing a large integer value

The FMath::TruncToInt() function takes a float parameter, but some calls to this function pass in a double value. For most use cases, this will probably work fine. However, if the integer values are ...

Unable to set default of elements for an array of component references through blueprints

If a user creates an array to store references to a certain type of component, the existing components will not be available to be selected when they are setting the default values of the elements. ...

Crash after generating HLODs for merged meshes that have all triangles culled

Project fails to compile if UFUNCTION parameter shares a name with a previously defined UPROPERTY variable

If the name of a UFUNCTION parameter matches the name of a previously defined UPROPERTY variable, the project will fail compile due to the following reason: Function parameter: '[Variable/Paramter ...

Compiling after placing an unconnected return node does not yield compiler results nor warnings

I noticed this while executing this in [Link Removed]. ...