Patch 6.0.2 (October 14, 2014): Wild Mushrooms no longer become invisible.; Wild Mushroom (Restoration) now has a 30-second cooldown, lasts for 30 seconds, provides periodic healing to nearby allies, and no longer collects Rejuvenation overhealing.
Patch 5.4.0 (10-Sep-2013) Wild Mushroom for Restoration Druids now summons a single mushroom at the friendly target’s location. If the mushroom is recast, the mushroom moves to the new location and retains its accumulated bonus healing.
Patch 5.2.0 (5-Mar-2013): Wild Mushrooms will now each gain 25% of the overhealing performed by the Druid’s Rejuvenation effects, up to a maximum of 33% of the Druid’s health in bonus healing, and growing larger as they do so. When Wild Mushroom: Bloom is cast, this bonus healing will be divided evenly amongst targets in the area-of-effect.
Patch 4.0.6 (8-Feb-2011): Wild Mushroom is now instant cast, down from 0.5 seconds. In addition, the radius of detonation has been increased to 6 yards, up from 3, and damage done increased by 30%.; Wild Mushroom’s tooltip now shows the magic school.