#1 - July 29, 2014, 4:36 p.m.
http://www.reddit.com/r/Guildwars2/comments/2c2o8c/datamining_upcoming_features_from_the_dragons/
SPvP
109792_0564 Arenas will unlock at PvP rank 9.
Potential change to Arenas coming soon...
#5 - July 29, 2014, 6:10 p.m.
Reminder: Do not give any weight data-mined strings.