Act! v20 was released in October 2017.  Here is a summary of the Key New Features:

All Act! v20 Products:

• Fresh, New Look
• Experience a fresh, new look with visually stunning design updates consistent across Windows and Web.  Enjoy a modern navbar, new big button menu design, new Web login screen and contemporary icons.
• Optimised Act! emarketing Workflow
• Manage Act! emarketing campaigns through an intuitive, optimised workflow in Act!
• Everything you need to create, send, and track campaigns is available in five newly designed views - Overview, Create, Send, Track, and Options
• Because Act! emarketing is fully integrated with Act!, its all right there and easy to follow - no more bouncing out of a browser!
• Numerous Usability Improvements
• Quickly identify opportunities that need attention with the new opportunity field 'Days in Stage'
• Use right-click functionality in windows to change the status of an opportunity
• Use 'freeze columns' functionality in Windows when working in list views
• Benefit from dozens of quality updates that make Act! even better!

Act! Act! Subscription Products (Act! Premium & Premium for Web):

• Act! Insight
• Guide decision-making with rich insights from interactive, graphical dashboards
• See dynamic, visual snapshots of real-time metrics with 10+ out-of-the-box dashboards
• Personalize dashboard widgets or configure your Act! Insight view to display metrics most relevant to your business or role
• Gain insight into business and team performance, no matter where you are, with a new Act! Insight view in Act! Companion
• Ask Act! with Amazon Alexa (Not available in the AU/NZ region yet)
• Act! Companion with New Act! Insight View
• Stay connected to key Act! Premium details from wherever you are with Act! Companion, a native mobile app designed for iPhone, iPad and Android.
• Compatibility with Chrome for Mac
• Now you can work with Act! for Web on Chrome for Mac