Symphony is offered on a quarterly release schedule, and our version numbering system reflects this. The current major release of Symphony is v25.4.

Caution: If your operating system has reached or will soon reach its EOL date, insightsoftware recommends you schedule an appropriate time to upgrade both the Symphony and operating system to a later version. For more information, see Operating System Support.

For information about Symphony's end-of-life policy for third-party software, see Symphony Release Vehicles and Third Party End of Life Policy.