The phrase "a host of new features" is correct and usable in written English.
It can be used to describe a large number of new functionalities or options available in a product or service.
Example: "The latest software update includes a host of new features that enhance user experience and improve performance."
Alternatives: "a multitude of new features" or "an array of new features".
Each time you buy a new car, you will notice a host of new features.
The new app contains a host of new features, which have been developed based on your feedback.
The system will have a host of new features only available to broadband users, like a high-quality Internet radio service).
Android users get Periscope on Tuesday and Twitter is rewarding them for their patience with a host of new features that are unique to the operating system.
Apple releases iOS 8 to iPhone, iPads and iPods around the world today bringing a fresh look and a host of new features.
The new release will bring a host of new features, including a streamlined look and the ability to load it on devices of all kinds, including holograms.
Mobile operator EE is to unveil a host of new features to its fledgling TV service in its biggest update since launch, as the battle in the crowded streaming and on-demand television market intensifies.
(Reuters) New Facebook features Social networking site Facebook introduces a host of new features including simplified navigation and "portal pages", which give an overview of groups on the site.
SAN FRANCISCO — Apple on Monday introduced a new version of its mobile operating system for iPhones and iPads that will bring a host of new features, including maps that let users soar over a three-dimensional rendering of a city.
Your device will now have a fresh look and a host of new features including interactive notifications, family sharing options, widgets, improved search on Spotlight and voice-activation on Siri.
PAGE B1 UPDATES FROM APPLE Apple introduced a new version of its mobile operating system for iPhones and iPads that will bring a host of new features, including maps that let users soar over a three-dimensional rendering of a city.
