Yes, it does. But only at 1.25x. Here is the decoded protobuf file. In it is this:
Items {
TemplateId: "BATTLE_SETTINGS"
BattleSettings {
RetargetSeconds: 0.5
EnemyAttackInterval: 1.5
AttackServerInterval: 5
RoundDurationSeconds: 99
BonusTimePerAllySeconds: 10
MaximumAttackersPerBattle: 20
SameTypeAttackBonusMultiplier: 1.25
MaximumEnergy: 100
EnergyDeltaPerHealthLost: 0.5
DodgeDurationMs: 500
MinimumPlayerLevel: 5
SwapDurationMs: 1000
}
}
