ClientRPC function can be called prior to BeginPlay being called.

UE - Networking - Feb 11, 2016

When creating a new actor at run-time through code, it's possible for RPC function to be called before the new actor's BeginPlay is called. ...

Compiling multiple projects with DebugGame will cause subsequent builds to fail

UE - Foundation - Cpp Tools - UnrealBuildTool - Feb 8, 2016

If two projects are both built using the DebugGame solution configuration, the first project will fail to compile in DebugGame again due to Unresolved External errors. It seems when DebugGame is co ...

Setting a subcategory in a UPROPERTY does not display properly in associated blueprint's Details tab

Tools - Feb 8, 2016

When using the "|" operator to separate "Category | Subcategory" inside a UPROPERTY, a blueprint based on the class will show Category | Subcategory AS the category name instead of listing a categor ...

PhysX crash when SetMaterial is called

UE - Simulation - Physics - Mar 14, 2016

When provided sample project is run in PIE, crash occurs after call to SetMaterial() is made in code. Downloadable Project: [Link Removed] CrashReporter: [Link Removed] ...

Editor crash on close if custom Data Asset is not saved after hot reload.

UE - Foundation - Core - Mar 7, 2016

After creating an editor asset of a custom DataAsset class, if changes are made to to the class and hot reloaded, the editor will crash on close if the editor asset is not saved after the hot reload ...

LIVE: Code projects using TextureRenderTarget2D will not build because UTextureRenderTarget is undefined in TextureRenderTarget2D

UE - Foundation - Core - Nov 5, 2014

If a TextureRenderTarget2D is used in a code class, the build of the project will fail with an error stating that the UTextureRenderTarget base class is undefined. The line #include "Engine/TextureR ...

A packaged game that contains a plugin with a custom struct and function using that struct will crash on launch.

UE - Foundation - Cpp Tools - Plugin System - Sep 9, 2015

If a project is packaged with a plugin that contains a custom struct and a function that takes that struct as a parameter, the game will crash when the executable is run. [Link Removed] ...

Packaging a game fails in 4.7 Promoted branch on GitHub because UBT tries to pass 33,000+ characters through the command line.

UE - Foundation - Core - Jan 5, 2015

A user has indicated that he was having some trouble packaging a game in the Promoted branch of 4.7 from GitHub. It appears that UBT was trying to pass 33 thousand characters through the command lin ...

Trying to create a custom code class derived from ArrowComponent will result in the build failing in Visual Studio.

UE - Foundation - Core - Feb 11, 2015

Deriving a custom code class from UArrowComponent results in several link errors (LNK2001 and LNK2019) in Visual Studio when trying to build the project. ...

The IOS Third Party library Bolts has an incorrect file name in its Build.cs file

UE - Platform - Mobile - Dec 11, 2015

The Bolts library is not correctly linked in its Build.cs file. The Build.cs file contains the following line with an incorrect file name: PublicAdditionalShadowFiles.Add(LibDir + "/Bolts.a"); The ...