Bukkit

Version 2.9.1

(+ = Added - = Removed / = Edited)
/ Changed up TPS calculation. It's now calculated in near real-time and should be more accurate (Average ticks within last 10 seconds)
/ Fixed issues with the mob-spawner nerfer
/ Manually fire ChunkUnloadEvent before attempting to unload a chunk
/ Drop JAVA 6 support, everything is compiled under Java 7 now (Please update to Java 8!)

If you're using 1.7.10 or lower, please download the version designed for your server version