Static regex patterns can cause crashes on shutdown

Tools - Localization - Nov 28, 2017

The current lifetime management of regex patterns means that we can attempt to destroy them after ICU has been shutdown. We should change these to follow the same pattern as break-iterators, and exp ...

Custom Depth Post Process Stencil does not work with Material Billboard on Actors

Rendering - Nov 27, 2017

MaterialBillboardComponent does not render with CustomDepth material in PostProcessVolume as other objects do. Found in 4.16.3 CL 3561208, 4.17.2 CL 3658906, 4.18.1 CL 3454814 ...

Packaged builds don't copy over plugin config files

DevTools - Plugins - Nov 21, 2017

We currently do not copy over the Config folder when we are packaging a plugin for inclusion with a packaged game. This is likely because we haven't supported plugin config files in the past, but th ...

[CrashReport] UE4Editor-UnrealEd.dylib!FEditorModeTools::MouseMove()

Platform - Mac - Nov 21, 2017

This is an infrequent Mac crash. Users have not provided any descriptions. Callstack from LogGeneratedClass '/Game/Maps/World.World_C' with ClassGeneratedBy '/Game/Maps/World.World:PersistentLevel. ...

[CrashReport] UE4Editor_ShaderCore!FShader::GetVertexShader() [shader.h:568]

Rendering - Nov 21, 2017

This is a common and longstanding crash that has occurred since at least 4.16 User DescriptionsTrying to paint my new sandtexture onto the terrainOpened the material editor by double clicking a mat ...

[CrashReport] UE4Editor_Engine!CheckSingleJob() [shadercompiler.cpp:749]

Rendering - Nov 21, 2017

This is a common and longstanding crash that has occurred since at least 4.14. Users have not provided any useful descriptions of their actions when the crash occurred. Source Context 740 ...

[CrashReport] UE4Editor_UdpMessaging!FUdpMessageProcessor::HandleSerializedMessageStateChanged() [udpmessageprocessor.cpp:548]

Networking - Message Bus - Nov 21, 2017

This is a common and longstanding crash that has occurred since at least 4.11. User DescriptionsI was just sitting around and it autosaved no source context available ...

Client actor attachment incorrect with replicated root component

Networking - Nov 18, 2017

If the actor with a replicated root component spawns and is immediately attached, when it replicates to the client the transform will be incorrect. Adding a small delay between the spawn and attach ...

[CrashReport] UE4Editor_ShaderCore!FVertexFactory::Set() [vertexfactory.cpp:190]

Rendering - Nov 17, 2017

This is a common crash in the 4.18 release. It is the exact same callstack (and crashGroup) as in UE-49753, although that Jira had specific repro steps and was confirmed fixed in 4.18.0. There are ...

Result of applying force is inconsistent between different methods of doing so when rotation is also being applied

Physics - Nov 17, 2017

An Answerhub user reported this issue where having force applied in different methods and situations results in different results only when rotation is also being applied. The example project contai ...