Seems like they just completed the 'upgrade' to Ver 3.0
Matrix showcases some of the freshest travel search ideas from ITA Software. Version 3.0 has been completely rebuilt to run on Google technology.
- Cost per mile filter
- Geo Search – search by airport code, city, or nearby airport
- Interactive Calendar – explore date ranges and lowest fares
- Real-time Filters – focus on flights that suit your preferences
- Color-coded Time Bars – compare flights at a glance
Nothing seems new, other than I lost all my previous searches at the top.