Unreal Engine Issues

Crash upon opening a level that is parented to a Custom Level Script

The attached project will crash whenever attempting to load the default map which is parented to a custom level script made by the user. Note: This issue doesn't occur for all maps in the project. ...

Switch on custom enum causes compilation errors after Hot Reload

If the project is hot reloaded while a Switch on Enum is inside of a blueprint which is switching on a custom enum, the switch will become corrupted. It changes the 'selection' pin to take a Byte pa ...

Blueprint based on custom Vehicle class can't be edited after closing/opening the editor

If a custom class named Vehicle is used as the base of a blueprint, closing and reopening the editor prevents the blueprint from being opened. The editor reports that the derived class is invalid. ...

Daydream enabled projects limits supported devices in Google Play

When enabling Daydream on Android devices and uploading it to Google PlayStore, the devices are lowered to 7. ...

Editor crash on close if custom Data Asset is not saved after hot reload.

After creating an editor asset of a custom DataAsset class, if changes are made to to the class and hot reloaded, the editor will crash on close if the editor asset is not saved after the hot reload ...

Ensure on open if custom Project Setting has a reference to a Blueprint that constructs an object

An ensure is thrown when opening a project if a custom Project Setting has a reference to a Blueprint that constructs an object. The ensure can be found in the Callstack section below. Regression?: ...

Crash in Material Editor when calling GetScreenSpaceData() from custom node

Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array

Crash when attempting to connect a custom Niagara parameter struct to a node when the struct contains an array ...

SharedStructMemory's custom deleter doesn't call ~SharedStructMemory and may result in a memory leak

FSharedStructMemory uses a custom deleter that calls FMemory::Free, but it doesn't call the destructor. FSharedStructMemory's destructor is responsible for correctly destructing the internal ScriptS ...

Setting custom world settings blueprint in project settings causes editor to crash on open

If a blueprint based on a custom World Settings class is set in the project settings then the editor crashes on open ...