Contact healing, now a level 1 talent, boosts the single target healing of Biotic Grenade as it should. But when it hits an enemy and a friendly, it heals for the baseline amount. Hitting the hero and the enemy should boost it 60%, but instead it loses your level 1 talent upgrade.
Baseline level 20 heal amount of Biotic Grenade: 364
Heal with Contact Healing on 1 Hero: 473
Heal with Contact Healing on 2 Heroes: 582
Heal with Contact Healing on 1 Hero and 1 Enemy: 364
Heal with Contact Healing on 2 Heroes and 1 Enemy: 473