•Static Lighting on Instanced Static Meshes (including Foliage)
•Improvements to the GitHub branch distribution process
•UObject Improvements
•Landscape Split Out
•Humanoid Rig
•Support for Multi-Montages
•Root Motion from Everything
•Cast Unification
•Precomputed Direct Lighting from Emissive Materials
•Precomputed Emissive Lighting
•Multiple Material Improvements
•Improvements to Montage Editing in Persona
•Keyboard and Controller input and focus unified. Controller Navigation added
•Initial support for composite fonts for Slate, UMG, and Canvas
•Cook in Editor
•Network record/replay system
•Upgraded engine to use Oculus VR 0.4.3 SDK / Runtimes
•Online sessions exposed to Blueprints
•Web Browser Support
•New Blueprint Menu System

•UE-3102 - Setting lightmaps to generate based of any source greater than zero will crash
•UE-3187 - ShooterGame Client crashes when using ServerTravel command
•UE-3494 - Elevators and lifts are not replicating correctly when playing in PIE on a dedicated server
•UE-3749 - There are visible holes between landscape components
•UE-4728 - Lighting needs to be rebuilt in LandscapeMountains
•UE-4777 - SwingNinja crashes on Android when swinging
•UE-4815 - Stylized lighting needs to be rebuilt
•UE-4867 - Unable to launch onto any device from using the Launch On button in the editor
•UE-4924 - CrashReportClient locks up on Mac
•UE-4944 - Packaged Win32 Shootergame crashes in OpenGL
•UE-4949 - Linux binaries in 4.6 branch/master are compiled with wrong settings
•UE-5032 - Blueprint search bar doesn't have focus in Mac
•UE-5108 - StrategyGame fails to launch on or package
•UE-5119 - P.I.E error with the BP_Security_Screen_Button Blueprint in BlueprintOffice
•UE-5228 - ShooterGame character goes into T-pose during reload
•UE-5310 - Content projects fail to launch on XboxOne
•UE-5346 - Crash opening editor on Linux machine assertion failed
•UE-5351 - Callstacks are no longer printing out due to EngineCrashHandler usage
•UE-5368 - iOS Mobile Provisioning: import key pair dialog opens behind editor
•UE-5375 - HTML5 in GitHub for 4.6 launch on fails and gives Invalid Arguments error
•UE-5382 - StrategyGame freezes after difficulty selection menu on the iPhone 4_1605
•UE-5394 - Black artifacts in Sun Temple on Nexus 5
•#pending - Collision potentially becomes corrupted with user Blueprints

•Cook in Editor

вроде бы понятно, кроме