Bukkit

+ Added dutch translation to the readme.txt (thanks to leuker10).
+ Added multiple command support in a message (see the documentation on the website for more information).
+ Added new variable: %bullet%.
+ Added new variable: %laquo%.
+ Added new variable: %raquo%.
+ Added UUID support for the ignore function (old ignore.yml gets converted and renamed to "ignore.yml.OLD").
+ Added boss bar integration (see the documentation on the website for more information).
+ Added a new command which starts/stops the boss bar broadcast -> /simplebroadcast bossbar <start/stop>
- Removed "/simplebroadcast command" (-> got replaced by "/sb help" in v1.6)
! Fixed problem that causes a server crash if the updater is unable to connect.

-> Completely compatible with 1.7.8, 1.7.4, 1.6.4 and previous builds!

There aren't any caveats. You can use this version/plugin safely.