WindowsNoEditor*.ini settings don't seem to override Default*.ini settings

By default in a new project, Launch On creates a WindowsNoEditor build, but the WindowsNoEditor*.ini settings don't seem to override the Default*.ini settings. ...

Network profiler tool doesn't handle names with underscores gracefully.

Networking - Mar 24, 2017

The NetworkProfiler and UI tool assume that ActorNames are in the format <ClassName>_<ActorName>, and is not robust against underscores in either the class name or the actor name. However, given th ...

Static Mesh approximate size can be inconsistent between Content Browser and Static Mesh Editor

Tools - May 3, 2017

The approximate size for a Static Mesh that is shown in the tooltip from hovering over a Static Mesh in the Content Browser and the approximate size shown in the Static Mesh Editor can be inconsiste ...

CheckLightmapUVs Not Registering Overlapping Lightmap UVs

Tools - Aug 4, 2017

CheckLightMapUVs is not registering overlapping Lightmap UVs when it is called. User Quote: "I have been working on an editor tool to diagnose some general asset problems and I noticed that in USt ...

[CrashReport] Cooking Commandlet crash - FAsyncWriteWorkerWithSplitExports::DoWork() [savepackage.cpp:563]

Core - Cooker - Aug 21, 2017

This is a regular commandlet crash that has occurred since at least 4.15. Source Context 543 IFileManager::Get().SetTimeStamp(*Filename, FinalTimeStamp); 544 } 545 } 54 ...

[CrashReport] Assertion failed: SizeX <= GetMax2DTextureDimension() in d3d11texture.cpp

Rendering - Aug 22, 2017

This is a common and longstanding assertion that has occurred since at least the 4.13 release. User DescriptionsI was messing with a sequencer's camera settings (not playing back, but active) and c ...

[CrashReport] Assertion failed: NewWorld | UE4Editor_Engine!UEngine::LoadMap()

Gameplay - Nov 2, 2017

This is a common and longstanding crash that has occurred since at least 4.15. Originally this was being tracked under UE-27124 due to sharing the same callstack, but that had specific repro steps ...

[CrashReport] - TRawMessageHandler<FTargetDeviceServicePong,FTargetDeviceProxyManager>::HandleMessage()

Platform - Mobile - Jan 25, 2018

User comments:Packaging Android Crash with similar callstack fixed in 4.16: UE-44154 I verified that the repro steps in that bug do not cause a crash in 4.18.3 Similar crash on Mac: UE-50846 ...

RPCs do not work in a class with no properties

Networking - Mar 25, 2017

NetFields are not initialized for classes without properties, preventing RPCs from working. Should just be a matter of removing the PropertyLink check in UClass::SetUpRuntimeReplicationData. See UDN ...

Nav Modifier Volume Not Affecting Nav Mesh Until it is Moved

Gameplay - AI - Oct 21, 2016

Nav Modifier volumes are not affected the nav mesh until they are moved from their initial placement position. Found in 4.13.1. Reproduced in 4.12.5 and 4.15 Main CL 3163223 This is similar to UE- ...