Blizzard has released additional Patch 10.2.6 hotfixes for today which includes trinket & item changes ahead of Season 4's launch.
Added the following hotfixes to today’s update:
Items - The following cast time trinkets will now trigger a 1 second global cooldown and may not be used when the global cooldown is active:
Manic Grieftorch - Beacon to the Beyond
- Belor’relos, the Suncaller
- Algeth’ar Puzzle Box
Manic Grieftorch damage increased by 1.2%. Can now be channeled while moving.
Storm-Eater’s Boon damage reduced by 25%.
Dragonfire Bomb Dispenser damage reduced by 15%.
Read more on wowhead.com