Fast on the heels of the 4.11 release, Unreal just release UE 4.11.1 hotfix. Perhaps the biggest part of this release is the addition of support for the Oculus Rift 1.3 SDK. There are also resolutions to several significant bugs.
From the UE4 forums (login required):
Fixed in 4.11.1
Updated! UEBP-140 Oculus Integration 1.3 SDK, automation features, adapter support
Fixed! UE-28961 UnrealLightMass fails to compile with VS2015 Update 2
Fixed! UE-29031 Unable to connect to SSL Perforce Server
Fixed! UE-28933 GarbageCollection crash using IWCE
Fixed! UE-28992 [CrashReport] Crash When Enabling Capsule Direct Shadows on a Skeletal Mesh
Fixed! UE-29005 [CrashReport] UE4Editor_CoreUObject!FGCCollector::HandleObjectReferences() [garbagecollection.cpp:586]
Fixed! UE-29012 Crash attempting to open blueprints with make nodes of missing structures made prior to 4.11
Fixed! UE-28954 PSVR Using Old Tracking Data
Fixed! UE-29080 GearVR – project unexpectedly closes on launch
Fixed! UE-29108 GearVR vrplatlib.jar staging logic is backward
As always, the hotfix can be downloaded using the Epic Games Launcher.