The latest version of Minecraft is now available in Vanilla, Spigot and Craftbukkit flavors! This is the much anticipated Combat Update!
Read more about the updates here:http://minecraft.gamepedia.com/Combat_Update
To update your server, just click on the MOD pack version drop-down, select the new version, click save, and then restart your server. Your old settings, worlds, and plugins will be archived for safe keeping, then the upgrade will proceed. Just be patient and wait for it
There are some older plugins (1.6 or older) that WILL break with this update. You can read more about this issue here:https://www.spigotmc.org/threads/minecraft-1-9-release.127186/
As always, let us know if you have any issues or questions.
Monday, February 29, 2016