New key value pairs added to a data table are not able to be found until the project is reloaded

UE - Gameplay - Dec 13, 2019

Adding a new key to a dataTable deriving from c++ will not be found until the entire project is reloaded. Download link to test project: https://github.com/sorkNasrk/testbug ...

Gameplay Tag Query Variables Don't Retain Custom Default Values in Custom Structs

UE - Gameplay - Dec 4, 2019

Gameplay Tag Query variables in custom structs created via the content browser do not retain custom default values. Found in 4.23.1 CL# 9631420 Reproduced in 4.24 Preview 4 CL3# 10387632, 4.25 Main ...

Unwanted black boundaries are displayed in a vertical split-screen with 3 players.

UE - Gameplay - Dec 2, 2019

Floating point error from UGameViewportClient::SplitscreenInfo causes this issue. FMath::TruncToInt( 3240 /*ViewportSize*/ * 0.333f/*Ratio in SplitScreenInfo*/ ) = 1079 I suggested a following t ...

The Find Node Can Crash on Compile After a Blueprint Compile Error

UE - Gameplay - Nov 21, 2019

The "Find" node can cause a crash if the a map with a struct value changes type while connected, is disconnected and reconnected. Compilation fails and crashes the engine. Found in 4.23.1 CL#963142 ...

Unable to undo editing enum description

UE - Gameplay - Oct 30, 2019

The user is unable to undo the editing of the enum description. The output log and undo history would confirm that the undo was carried out, however it did not do anything in reality. Resetting the ...

Construction script does not properly reset array count

UE - Gameplay - Oct 28, 2019

It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...

Gameplay Abilities CancelAllAbilities not working as expected

UE - Gameplay - Oct 24, 2019

in AbilitySystemComponent_Abilities.cpp, line:844  CancelAllAbilities() does not appear to be working as expected.  There is a check before cancelling all abilities.  However, this check uses the Cl ...

"Allow Explicit Impure Node Disabling" setting still packages development only nodes into shipping builds

UE - Gameplay - Oct 22, 2019

Development Only nodes are packaged into shipping builds even when "Allow Explicit Impure Node Disabling" is enabled and the appropriate nodes are marked as "Development only."   ...

AActor doesn't consider latent actions when using "auto destroy when finished" functionality.

UE - Gameplay - Oct 18, 2019

Actors should check if they have any pending latent actions before automatically destroying themselves.   ...

Dispatcher event called from actor blueprint needs to compile in a specific order

UE - Gameplay - Oct 15, 2019

Dispatcher events being called from actor blueprints have to be compiled in a specific order to successfully call the dispatch event.  ...