Crash: Nativized AnimBP instances can assert on load in a cooked build with async loading enabled.

Gameplay - Blueprint - May 9, 2019

This is a regression that was introduced alongside a memory optimization for Animation Blueprint assets. Suggested workarounds:Disable "Async Loading Thread Enabled" ORDisable Blueprint nativizati ...

Blueprint Array/Map properties with DefaultToInstanced types are not instanced properly

Gameplay - Blueprint - May 6, 2019

At a licensee, I discovered a problem where Blueprint-created array and map properties are not correctly propagating the ContainsInstancedReferenced property flag. This means that if you create a Ma ...

The ConstructionScript not being called on drag

Gameplay - Blueprint - May 2, 2019

The construction script for a custom actor blueprint does not execute after drag when the scene component is selected. Tested in 4.21.2 (CL - 5660361), 4.22.1 (CL - 6063286), 4.23 (CL - 6248266) ...

BeginPlay execution order is different when using Game Mode instead of Game Mode Base

Gameplay - Blueprint - Apr 26, 2019

Using Game Mode instead of Game Mode Base causes the Begin Play event to trigger in a different order. This is shown in the reproduction with the Begin Play of the Player Controller and the Game Mod ...

Using CTRL+W to duplicate multiple components of an actor at once trips an assert

Gameplay - Blueprint - Apr 24, 2019

Attempting to duplicate multiple child components results in an assert being thrown.  ...

Struct does not appear to save changes after compiling and saving it resets to null

Gameplay - Blueprint - Apr 23, 2019

When making a change to a struct that is used in a blueprint some assets do not appear to save changes. Additional notes: Using the Reload option (Right click struct > Assets actions > Reload) app ...

Timelines in ActorBPs no longer function when packaged with Nativization

Gameplay - Blueprint - Apr 9, 2019

Timelines in ActorBPs no longer work in projects packaged with BP nativization. Timelines in LevelBPs still work. Confirmed in 4.23 MAIN @ CL 5806859 ...

RF_WasLoaded is set to False in PIE for instances of a Blueprint if the Blueprint is recompiled

Gameplay - Blueprint - Apr 5, 2019

The RF_WasLoaded flag is set to false for Blueprint instances in PIE if the Blueprint is edited and compiled. This is fixed by saving the level which is a simple workaround but this should be needed ...

Crash when duplicating multiple components at once

Gameplay - Blueprint - Apr 4, 2019

When duplicating multiple components at once it appears to crash the editor. Regression: Yes, this appears to be working in the previous version of the engine (4.21.2-4753647) ...