RivianOS 2 Puts R1 and R2 on One Software Stack — Here's What Changes

Rivian just started pushing out RivianOS 2, the largest overhaul of its in-car software since the original R1 shipped. According to Electrek, version 2026.31 began reaching eligible R1 and R2 vehicles on September 4, and for the first time it puts every vehicle Rivian sells on a single software stack.

That matters for anyone shopping a Rivian right now, and it's a useful reminder for the rest of us: the software in your EV is no longer a fixed thing you buy once. It keeps moving, and the gear you pair with your car should be flexible enough to keep up.

One stack, but not one identical experience

Until now, first-generation R1s, second-generation R1s, and the new R2 were running software that had gradually drifted apart. RivianOS 2 pulls all three back onto a common foundation.

Hardware still sets the ceiling, though. On the R2 and Gen 2 R1, Rivian is using Unreal Engine 5 for real-time 3D visualizations of the vehicle and its surroundings. Gen 1 R1s stay on Unreal Engine 4 so the screen keeps feeling responsive on older computing hardware. So "one stack" doesn't mean everyone gets a pixel-for-pixel identical experience, but the gap just narrowed considerably.

Rivian is rolling out RivianOS 2, the biggest overhaul of its in-car software since the R1 first shipped. For the first time, it puts every vehicle the company sells on a single software stack. — Electrek

What's actually new

• Rebuilt interface: Quick controls and the media player can now sit on either side of the display, and a new vertical status bar keeps key vehicle functions within reach.
• Settings 2: The settings menu was rebuilt from scratch with context-aware controls and universal search.
• Real-Time Route Alerts: Police presence and speed-camera information now appear in the map through Google Maps. Rivian says the data comes from local authorities, third-party sources, and community contributions — Waze-style, in other words.
• Connect+ features: A dedicated weather app with real-time conditions, air quality, and a 10-day forecast, plus Mobile Live Trips, which let you start, view, and update an active trip from the Rivian phone app. Connect+ runs $14.99 a month or $149.99 a year.
• Unified Intelligence: The AI layer behind the "Hey Rivian" assistant that can control the vehicle directly. R2 and Gen 2 R1 use hybrid edge compute for low-latency on-vehicle processing, while Gen 1 and Gen 2 R1 both get expanded cloud-assisted voice.
• More data control: Across all generations, owners can toggle hotword wake-words, limit location sharing, and adjust what driver-profile data the car retains.

Why the R2 raises the stakes

The R2 is Rivian's volume play — the vehicle meant to move real numbers rather than serve the early-adopter crowd. It's also the one that most needs software feeling a generation ahead of gas-powered rivals in the same price bracket. Shipping a unified stack right as that vehicle ramps up is the whole point of the exercise.

Electrek's take was blunt about the quality jump, noting the software "looks like it has improved by leaps and bounds" and that it's not hard to see why Volkswagen partnered with Rivian on software in the first place.

What this means for your gear

Big infotainment updates have a habit of shuffling things around, and that's where accessories quietly earn their keep. A few things worth thinking about if you're a Rivian owner — or honestly, any EV owner riding out a major software release:

• Phone mounting and charging stay constant. With Mobile Live Trips putting more of the trip workflow on your phone, a solid vent or dash mount and a reliable cable or wireless charger keep that screen visible and topped up while you drive.
• Screen protection is cheap insurance. A rebuilt UI means more tapping and swiping on a display you're going to be living with for years. A matte or tempered protector cuts fingerprints and glare on a screen that's now doing Unreal Engine 5 rendering.
• Charging hardware doesn't care about firmware. Your Level 2 charger, portable EVSE, and adapters keep working the same way regardless of what the infotainment does. That's exactly why it pays to buy those once and buy them well.
• Roadside gear is version-agnostic. A jump pack, tire inflator, and emergency kit don't get patched or deprecated. They're the part of your setup that works on release day and five software generations later.

The bigger picture

Rivian consolidating three divergent software builds into one foundation is the kind of unglamorous engineering work that pays off for years. It means faster feature rollouts, fewer generation-specific bugs, and a cleaner path for everything that comes next.

For shoppers, the practical read is simple: the car you buy today will keep changing. Build your accessory setup around the things that don't — good charging hardware, solid mounts, and safety gear you can count on — and let the software surprise you.