Unreal Engine Issues

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. ...

UMG Editor Will Compile Incorrect Node And Crash When Called During Runtime

The UMG editor will compile as if the blueprints is valid if you make "Get Text" node from a TextBlock variable, delete it and create a EditableText variable with the same name. When running a scene ...

Can't package project with custom engine plugin enabled.

ULevelSequence trying to duplicate a REINST_ class when creating new custom binding in ConvertOldSpawnables()

The assert that we're hitting is:Cannot replace existing object of a different class.  New Object: /Engine/Transient.REINST_BPC_NPC_VFX_C_230 /Game/Maps/[REDACTED]/Levels/[REDACTED]/LevelSequence/ ...

Merge Actors (Simplify) is broken with Substrate Shader Models Node

Substrate Materials cannot be baked when Meshes are merged using the "Simplify" method. All textures except for the normal are reduced to a single black parameter. The normal texture produced does n ...

Replacing blueprint assets causes editor to crash

When attempting to replace references of one blueprint with another a number of error message windows pop up ([Link Removed]) and the editor will crash. This is a regression since it was working in ...

While renaming a variable in the Details panel, clicking another variable will rename it instead

While renaming a variable in the Details panel, clicking another variable will rename it instead. ...

Crash Occurs When Clicking Off of Color Picker in Data Table

When using an FLinearColor variable in a data table and editing it using the color picker, clicking anywhere off of the color picker window will cause the editor to crash. Error Message: Assertio ...

[Audio Capture] - Editor crashes when activating an Audio Capture component when there are no active input or output devices avilable

If a device has no available input or output devices, activating an Audio Capture component will cause the device to crash. Occurs in Editor and Runtime. Assertion failed: NumTotalFrames > 0 [File:E ...

Using Show Mouse Cursor and Ejecting Prevents Actors from Being Moved

When you have the mouse cursor set to show in game, if you use shift+f1 to unlock the mouse, eject, and then attempt to click and move an actor using the transform gizmo, you are unable to do so. S ...