Broken references after renaming template default folders

Tools - Jan 17, 2017

When a template project's default folders are renamed (such as Geometry in the First Person Template), the original folder name is still shown in the content browser. Relaunching the project will s ...

Mouse dragging cursor accelerates significantly on Mac

Tools - Jan 18, 2017

This also occurs in 4.14.3 This does not occur on Windows. Could not get this issue to reproduce while recording the screen with quicktime player, but if you experience it in person it really feel ...

ShooterGame clients are unable to see LAN Off servers in the browser

Networking - Jan 15, 2017

Mac is unable to host Mac or Windows clients in ShooterGame . The issue does not occur in: 4.14.3 - 3251583 ...

Blueprint unable to compile if including a macro that includes one of its functions

Gameplay - Blueprint Compiler - Mar 9, 2017

Blueprints that include a macro that includes one of their own functions are unable to compile. The error message that is given is: Error Could not find a function named "MyFunction" in 'ActorBP_C'. ...

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 ...

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] Crash CheckForWorldGCLeaks() - EditorDestroyWorld()

Gameplay - AI - Sep 8, 2017

This is a somewhat common but longstanding Mac crash that has affected users since at least 4.13. Recently in 4.17.1, the crashes are all occurring in various ARKit projects User DescriptionsI add ...

[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 ...

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 ...