Bluerpint nativization failed for calling TMap::Find function of a map container with an enum type key

UE - Gameplay - Blueprint - Oct 2, 2020

Followings are nodes in the repro project. [Image Removed] Here's a generated code of the BPvoid ANewBlueprint_C__pf1010915279::bpf__NewFunction_0__pf() { uint8 bpfv__CallFunc_GetInt_NewParam ...

Blueprint nativization fails using a map type argument as Expose on Spawn

UE - Gameplay - Blueprint - Oct 2, 2020

Here's a sample blueprint [Image Removed] The lack of implementation FCustomThunkTemplates::SetMapPropertyByName causes this error.#include "Kismet/BlueprintMapLibrary.h"// The fix needs this head ...

Landscape Paint Layers will not scroll to the end when using mouse wheel

UE - LD & Art - Modeling Tools - Landscape - Sep 28, 2020

In a normal detail panel, each element has its own SDetailSingleItemRow and are mostly uniformly sized with some exceptions of having a few bigger rows (i.e. asset pickers). However, these layers ar ...

Widgets stick out from letterboxed player screen on 4.25

UE - Editor - UI Systems - Sep 28, 2020

Note:   Clipping on letterboxed player screen works fine on 4.24.   This issue was brought in by CL#10541213. Here's a workaround TSharedPtr<SGameLayerManager::FPlayerLayer> SGameLayerManager::Fin ...

"Out of video memory" crash when attempting to save many assets with source control enabled

UE - Rendering - Sep 25, 2020

This will only repro when connected to source control ...

Available network bandwidth is too low for uncapped but slow frame rates

UE - Networking - Sep 24, 2020

The networking system has a max frame rate of 120hz by default. Inside UNetConnection::Tick it computes an estimated bandwidth by using that max frame rate, the engine's max frame rate, and the actu ...

Ray traced shadow sample settings greater than 1 cause shadow artifacts

UE - Rendering - Lumen - Sep 23, 2020

Alternative you can follow these steps to reproduce 1. Create a new project with ray tracing enabled 2. Activate the groom plugins 3. Import a groom asset into the scene 4. Add any light type to the ...

Dynamic Delegate for Actor doesn't show up in BP Editor

UE - Gameplay - Sep 21, 2020

The delegates for actor should show up in the Detail tab like components. There should be an "Event" group and list all available delegates, and designers can click on the "+" sign to add event on t ...

Crash when quick binding a function in a class that extends LevelSequenceDirector

UE - Anim - Sequencer - Sep 16, 2020

The purpose was to create a Level Sequence Director inheritance class so that the same event could be reused in multiple sequencers. Attempting to quick-bind this base Level Sequence Director event ...