Rivian Software 2026.31 Brings Rebuilt Operating System to R1T and R1S

Rivian has published its official software release notes for version 2026.31, detailing the rollout of its completely rebuilt operating system for the R1T pickup and R1S SUV, according to reporting by Eletric-vehicles.com on August 28, 2026. The major firmware update brings a revamped digital experience and optimized vehicle controls to owners of the electric adventure vehicles.

Rivian 2026.31 Software Update Details

The 2026.31 release notes outline a comprehensive architectural shift in how the vehicle handles infotainment, driver displays, and underlying systems. According to documentation covered by Eletric-vehicles.com, the rebuilt operating system aims to streamline navigation, improve touch responsiveness, and refine energy management across both the R1T and R1S platforms.

Owners can expect a cleaner user interface layout designed to reduce driver distraction while placing core climate and vehicle settings within easier reach. The updated software also enhances wireless connectivity stability and optimizes background power consumption when the vehicles are parked.

Rollout Timeline and Compatibility

The software update targets existing R1T and R1S models equipped to run the next-generation operating system architecture. Rivian is pushing the release out over-the-air, allowing drivers to download the package directly once it reaches their specific vehicle identification number queue.

As with prior major deployments, owners should ensure their vehicles maintain a strong Wi-Fi connection and adequate battery state of charge to facilitate the installation process without interruption.