# Spotfire Enterprise Runtime for R Release Notes

The Release Notes for this product version are provided to inform you of new features, known issues, and issues from previous releases that have been closed.

These release notes are for Spotfire® Enterprise Runtime for R ( a/k/a TERR™) version 6.1 (LTS). They cover Linux® and Microsoft Windows® installations.
Note: As of version 6.0.3, support for using TERR on macOS is removed.

TERR™ is a high-performance statistical engine, which is compatible with open-source R. It can be embedded into a wide range of applications as an enterprise-grade alternative to open-source R, and can run a wide array of packages from CRAN.

Note: Open-source R is available under separate open source software license terms and is not part of TERR. As such, open-source R is not within the scope of your license for TERR. Open-source R is not supported, maintained, or warranted in any way by Cloud Software Group, Inc. Download and use of open-source R is solely at your own discretion and subject to the free open source license terms applicable to open-source R.