I was on the PTR's testing out eclipse and it did not seem to work right.
Eclipse cooldowns changed - Each effect lasts 15 sec and each has a separate 30 sec cooldown. Both effects cannot occur simultaneously
Since both affect cannot occur simultaneously there was no chain proccing eclipse procs. After an eclipse proc is done there seems to be CD on eclipse that wont let it proc again for about 10-15seconds. It was hard to get exact timing w/o any addons going. Either way there is no chain eclipse procs like i was hoping for.