Minecraft v1.11.1 released over the past 24 hours.
Contains some fixes and features. Please note: Minecraft 1.11.1 clients cannot join a 1.11 server. So you'll need to update it to 1.11.1.
Customers may install/update to the latest version easily by going into the Control Panel --> Addons and Plugins section.
Minecraft Vanilla 1.11.1: Ready in Control Panel!
CraftBukkit 1.11.1: Ready in Control Panel!
SpiGot 1.11.1: Ready in Control Panel!
Forge 1.11: Waiting for update...
Details of the changes can be found HERE