ICQ, the instant messaging platform, has been completely redesigned to support Windows 10 and the large screen resolutions of present-day monitors. The ICQ app has been significantly accelerated, with developers saying the app is now up to eight times faster than before, with a better user experience thanks to instant launch and reduced memory footprint.

The new version focus on voice and video calls while keeping the instant messaging capabilities. Call quality is ensured by an updated voice engine offering optimized performance over slow Internet connections. The updated ICQ for Windows also features chat history synchronization.

The new ICQ version is built using the cross-platform library Qt. Developers plan to release versions for OS X and Linux based on this update.

In addition, the source code of the new ICQ is available on GitHub for third-party developers.