Unreal Engine Issues

Crash when attempting to revert a Child blueprint from overriding its parent's function while it also has a child of its own

When reverting the change of overriding a function from a blueprint's parent, the editor will crash if that blueprint has a child of its own. Regression?: No This also occurred in 4.16 ...

Attempting to generate abstract class from blueprint crashes editor on compile

Attempting to generate abstract class from blueprint crashes editor on compile. Frequency: 4/4 ...

If a Blueprint made from a class using PostLoad is saved immediately before and after PIE, a crash can occur

Using PostLoad in a class that has a Blueprint derived from it can result in a crash if the Blueprint is saved immediately before and after PIE. CrashReporter Link: [Link Removed] ...

[Crash]-[Reimport] - Crash on reimporting CAD file with deleted light sources

Adding a node or variable to a component referenced by another actor crashes editor

If compile is pressed after adding a variable or node to a blueprint component that has a variable referenced within another blueprint actor, the editor immediately crashes. Frequency: 1/1 Crashr ...

Editor crashed on exporting a skeletal mesh twice after garbage collection occurs

Issue was occurring with wildly varying repro steps, after speaking to Jurre and enabling gc.CollectGarbageEveryFrame 1 it was easy to conistenty reproduce this issue. note: I was getting this iss ...

Editor crash on blueprint compile that contains edited BP Struct

When a blueprint graph contains a "Make Struct" node for a blueprinted Struct, changing any pin's type causes the editor to crash when the blueprint is compiled. Regression: No - same behavior occu ...

Editor crashes when selecting compile after copying a Custom event to another blueprint

User will hit an ensure first when pasting a copied custom event, and will crash after compiling. ...

Sphere Mask using Absolute World Position not rendering in ES2 (Android or iOS)

After deploying or Launching on to an iOS or Android device in ES2 mode, a sphere mask using an Absolute World Coordinate will not render correctly. ...

Movie Render Queue Console Variables settings do not apply to existing jobs when preset is saved.

Console Variables settings will not update existing jobs when saved to a preset that they both use. ...