Some super last minute class tuning hotfixes have been pushed to the Dragonflight Pre-Patch PTR nerfing Boomkins.
Class ToolsBalanceTalentsFeralTalentsGuardianTalentsRestorationTalents
Wowhead Note: These changes make it so that the Faerie Dragon is summoned about half as often, but the Faerie does 30% more damage with its attacks.
Talents (1)
Your Moonfire and Sunfire have a chance to summon a Faerie Dragon to assist you in battle for 30 sec.