Unreal Engine Issues

Fail to compile with Added AIController class

User fails to compile code template after adding AIController code to project. Regression: Not a regression happens in 4.6.1 CL-2386410 Setting up Mono Building MyProjectEditor... Compiling game m ...

UEnum::NumEnums appears to be returning one more than the actual number of elements in an enum.

A user reported that UEnum::NumEnums appears to be returning one more than the actual number of elements in the enum. ...

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

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 ...

Cannot Package Game for Windows from External Drive on Windows 8.1 Boot Camp Mac

User is trying to package the xixoBerlinFlat Marketplace and cannot get a packged project from an external drive project on a Windows 8.1 x64 system running via Bootcamp on a Mac. ...

Lighting not rebuilding. SWARM: "Error: A 32 bit processes cannot access modules of a 64 bit process."

Inconsistent documentation on how to use AsyncTasks

The documentation found here may be out of date:https://docs.unrealengine.com/latest/INT/API/Runtime/Core/Async/FAsyncTask/index.html From Lauren R: "Looking at P4, that example code is mostly from ...

Virtual Memory Limit Listed in Logs

Logs show virtual memory limit for Windows 64 bit: 8388608.00. This is erroneous information that can be removed or replaced with more immediately useful information. ...

The crash reporter tool does not start on Windows 8.1 machines when running the Engine built from source code.

The source code to build the Engine that is available from GitHub includes the file dbghelp.dll, which prevents the crash reporter tool from starting on Windows 8.1 machines. This file is not presen ...

CapsuleComponent Shape sometimes reverts to previous value after entering a new value

If you manually type in the value for Capsule Half Height, it will sometimes revert back to it's previous value upon hitting Enter. The CapsuleComponent's shape in the Blueprint's Viewport adjust to ...

Moving or changing the name of a project's GameInstance will switch the Game Instance Class to None and crash launched games

If the GameInstance set in Project Settings > Maps & Modes > Game Instance Class is renamed or moved to another folder, the Game Instance Class is switched to None. This causes a launched game to cr ...