FLightMap2D::Serialize() contains a possible index out of range error.

UE - Graphics Features - Dec 30, 2014

A user pointed out a potential to have an index out of range error in the source code. There are also a few magic numbers scattered around in this function. ...

Screenshot console command does not work properly on mobile devices

UE - Platform - Mobile - Feb 3, 2016

Screenshots taken by the console command Shot or HighResShot are not being saved on Android or iOS devices. ...

Setting Automatically checkout on Asset Modification in the editor does not check out files

Tools - Nov 20, 2015

When the checkbox for Automatically checkout on Asset Modification is set to true in the editor, updating files (blueprints, materials, etc) does not check them out automatically. REGRESSION Worki ...

The ReceivedSpectatorClass function in APlayerController may take an incorrect parameter

UE - Gameplay - Jul 7, 2015

The ReceivedSpectatorClass function in APlayerController may have an incorrect parameter. The parameter it takes in is TSubclassOf<AGameMode> SpectatorClass, but this may be intended to be TSubclass ...

Converting a source built project to 4.10 prevents the project from packaging.

UE - Foundation - Cpp Tools - UnrealBuildTool - Nov 27, 2015

If a project created in a source build of the engine is converted to the source version of 4.10, the project will not compile with a "Missing UE4Game binary" message. ...

Declaring a TMap as a UPROPERTY fails to compile with a boolean

UE - Foundation - Core - Dec 16, 2015

Declaring a TMap< [type], bool> will fail to compile if it is declared as a UPROPERTY. The error seems to be with the bool because TMap< [type], int8> will compile as a UPROPERTY. ...

[CrashReport] libobjc.A.dylib!<Unknown> SEGV_NOOP at 0x0

UE - Platform - Apple - Aug 3, 2015

User crashes at "Loading 83%" *See also attached Mac Crash Log. [Link Removed]Launched UE, it crashed upon launch.Ok, a file i wanted to delete, and it just crashed the whole program. Thx.Started e ...

Open Capture Folder does not function on Linux

UE - Platform - Linux - Feb 10, 2016

After capturing a movie in matinee the folder the movie is saved to does not open on Linux ...

Movie capture on Linux cannot be used.

UE - Platform - Linux - Feb 10, 2016

After capturing a movie in matinee the Video Capture folder is not created so the movie does not exist. ...

A pawn with collision set to overlap does not spawn inside a blocking volume with collision set to block.

UE - Gameplay - Sep 10, 2015

When attempting to spawn a pawn (with collision set to overlap) inside a blocking volume (with collision set to block), the pawn will actually spawn at the closest available point outside of the blo ...