OnActorSpawned is called prior to FinishedSpawning for PlayerControllers and actors spawned with bDeferConstruction set to true

UE - Gameplay - Oct 12, 2017

When a PlayerController or any actor with bDeferConstruction set to true is spawned, OnActorSpawned.Broadcast is called prior to FinishSpawning which can cause issues as some components may not be i ...

[CrashReport] UE4Editor_SlateCore!SWindow::IsVisible() [swindow.cpp:1320]

Tools - Oct 12, 2017

This is a trending crash coming out of the 4.18 previews and 4.18.0. The callstack is similar to a Mac crash that was fixed in 4.16.2 - [Link Removed] User Descriptionswas testing 3rd person temp ...

Packaged iOS project incorrectly includes level not selected to be cooked

UE - Foundation - Core - Cooker - Oct 11, 2017

When packaging for iOS on a Mac, the default level for a project will always be included in the packaged project even if it was not selected to be cooked and packaged. The expected behavior is that ...

Scene Capture 2D Invisible When Mobile MSAA Enabled

UE - Platform - Mobile - Oct 11, 2017

UDN Licensee (UE4.16) changed rendering settings from MSAA "none" to MSAA x4, resulting in Scene Capture 2D not showing up in mobile preview mode. I have reproduced same results in 4.17 and 4.18. ...

Blueprint fails to compile after adding local map variable element

UE - Gameplay - Blueprint - Oct 11, 2017

When a map is added as a local variable for a blueprint function, the blueprint will failt o compile. Regression: No, same behavior occurs in 4.16.3 Workaround: Setting the key/value pair to int/i ...

Ensures reparenting a child blueprint with a call to parent function in interface function

UE - Gameplay - Blueprint Editor - Oct 10, 2017

REGRESSION: Yes, does not occur in 4.17.2 Ensures occur when reparenting a child blueprint that has a Call to Parent Function in a function from a Blueprint Interface. ...

Comment Box Edges/Corners Do Not Precisely Follow Cursor when Resizing

UE - Editor - UI Systems - Slate - Oct 10, 2017

When resizing comment boxes, the edges/corners do not follow the cursor precisely, especially when the cursor is moved around quickly. On Windows, the cursor will either get ahead of the box or ins ...

Capsule Indirect Shadow is visible in Game View for a hidden in game model

UE - Graphics Features - Oct 10, 2017

A model's Capsule Indirect Shadow is visible in Game View, even when a model has "Actor Hidden in Game" enabled. The shadow does not get displayed in PIE. ...

DestructibleMesh does not correctly effect vertex color of material.

UE - Simulation - Physics - Destruction - Oct 10, 2017

Destructible Mesh does not correctly affect vertex color. ...

Check box appears darker when wrapping it with a button

UE - Editor - UI Systems - Oct 9, 2017

Check box appears darker when wrapping it with a button (almost black), This does not appear to happen when wrapped with other widgets. ...