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'. ...

Some Textures don't cook deterministically in QAGame

Core - Cooker - May 11, 2017

Some textures don't cook deterministically in QAGame, and are thus always included in patches. Potentially related to UE-41636, unsure if that texture compression is used for these assets. These a ...

Set Material for Particle System via Construction Script in Blueprints is Different is PIE versus Standalone

Rendering - May 25, 2017

Differences in PIE and Standalone when attempting to set the Material for a Particle system within the construction script of an actor blueprint. I know there are probably some differences in how P ...

Watched value of 'Get Capsule Radius' returns the radius of the wrong capsule

Gameplay - May 26, 2017

Watched value of 'Get Capsule Radius' returns the radius of the wrong capsule. The printed value returns correctly, but the the watched value returns the radius of the inherited capsule component in ...

EngineTest.uproject requires OnlineSubsystemMCP

Automation - May 13, 2017

Licensees are unable to run GenerateProjectFiles.bat from a perforce pull due to a non-optional OSSMcp dependency ...

Editor Crashes When Attempting to Open Material Function

Tools - Material Editor - Jun 2, 2017

The editor is crashing when trying to open a material function that the user provided. User Quote: One of my material functions crashes the engine when I open the editor for it. It works fine, I ...

[CrashReport] UE4Editor_CoreUObject!FMemoryWriter::Serialize() [memorywriter.h:42]

Core - Jul 24, 2017

This is a common cook crash affecting users in 4.16. It is possibly the same issue as described in UE-22912 for past engine versions. Source Context 33 virtual void Serialize(void* Data, ...

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 ...