Sunrise Calendar has updated to version 2.6, iOS 8-ready with interactive notifications and support for Trello.
Interactive notifications in Sunrise allow you to RSVP to events right when you receive an invitation, directly from the notification. You can either respond by swiping the notification on the lock screen, or tap the button on the notification when it appears on your phone. Currently, only Google Calendar users can take advantage of this feature.
Sunrise has also added support for Trello. You can new view all of your cards with due dates directly in Sunrise. You can also filter cards the cards to find those that are assigned to you.
You can download Sunrise Calendar 2.6 for iPhone and iPad right now from the App Store.