Apple is really working hard for improvements as they recently announced of the latest iOS 8.3 update.
Aside from fixing some major bugs comes with new features like new languages for Siri, able to make calls via the speaker (thru Siri) and no need for password if you'll gonna download a free app.
Minor updates for Passbook, Messages and Photos are also here plus wireless CarPlay support, new emojoi picker, new diversified emoji and Apple Pay now functional for China UnionPay network.